Home / 37,387,746.40-56,081,619.60-21,207,445.60

Finding the Fourth Proportional to 37,387,746.40, 56,081,619.60 and 21,207,445.60

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Solution

The fourth proportional to 37,387,746.40, 56,081,619.60 and 21,207,445.60 is: 31,811,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,387,746.40 : 56,081,619.60 = 21,207,445.60 : x
  2. Step 2: Convert to fraction form
    37,387,746.40/56,081,619.60 = 21,207,445.60/x
  3. Step 3: Cross multiply
    37,387,746.40x = 56,081,619.60 × 21,207,445.60
  4. Step 4: Simplify right side
    37,387,746.40x = 1,189,347,896,826,894
  5. Step 5: Solve for x
    x = 1,189,347,896,826,894/37,387,746.40
  6. Step 6: Final answer
    x = 31,811,168.40

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Double scale
Find fourth proportional to 37,387,747.40, 56,081,621.10 and 21,207,446.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.