Home / 14,478,550.80-21,717,826.20-9,628,659.60

Finding the Fourth Proportional to 14,478,550.80, 21,717,826.20 and 9,628,659.60

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Solution

The fourth proportional to 14,478,550.80, 21,717,826.20 and 9,628,659.60 is: 14,442,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,478,550.80 : 21,717,826.20 = 9,628,659.60 : x
  2. Step 2: Convert to fraction form
    14,478,550.80/21,717,826.20 = 9,628,659.60/x
  3. Step 3: Cross multiply
    14,478,550.80x = 21,717,826.20 × 9,628,659.60
  4. Step 4: Simplify right side
    14,478,550.80x = 209,113,555,731,761.50
  5. Step 5: Solve for x
    x = 209,113,555,731,761.50/14,478,550.80
  6. Step 6: Final answer
    x = 14,442,989.40

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Double scale
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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.