Home / 38,984,561.60-53,799,120.15-21,581,197.44

Finding the Fourth Proportional to 38,984,561.60, 53,799,120.15 and 21,581,197.44

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Solution

The fourth proportional to 38,984,561.60, 53,799,120.15 and 21,581,197.44 is: 29,782,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,984,561.60 : 53,799,120.15 = 21,581,197.44 : x
  2. Step 2: Convert to fraction form
    38,984,561.60/53,799,120.15 = 21,581,197.44/x
  3. Step 3: Cross multiply
    38,984,561.60x = 53,799,120.15 × 21,581,197.44
  4. Step 4: Simplify right side
    38,984,561.60x = 1,161,049,434,055,432.50
  5. Step 5: Solve for x
    x = 1,161,049,434,055,432.50/38,984,561.60
  6. Step 6: Final answer
    x = 29,782,287.82

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Double scale
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1.5x scale

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.