Home / 38,583,670.60-53,245,255.20-21,180,311.92

Finding the Fourth Proportional to 38,583,670.60, 53,245,255.20 and 21,180,311.92

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Solution

The fourth proportional to 38,583,670.60, 53,245,255.20 and 21,180,311.92 is: 29,228,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,583,670.60 : 53,245,255.20 = 21,180,311.92 : x
  2. Step 2: Convert to fraction form
    38,583,670.60/53,245,255.20 = 21,180,311.92/x
  3. Step 3: Cross multiply
    38,583,670.60x = 53,245,255.20 × 21,180,311.92
  4. Step 4: Simplify right side
    38,583,670.60x = 1,127,751,113,396,002.25
  5. Step 5: Solve for x
    x = 1,127,751,113,396,002.25/38,583,670.60
  6. Step 6: Final answer
    x = 29,228,715.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.