Home / 29,381,421.60-44,072,132.40-21,256,279.20

Finding the Fourth Proportional to 29,381,421.60, 44,072,132.40 and 21,256,279.20

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Solution

The fourth proportional to 29,381,421.60, 44,072,132.40 and 21,256,279.20 is: 31,884,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,381,421.60 : 44,072,132.40 = 21,256,279.20 : x
  2. Step 2: Convert to fraction form
    29,381,421.60/44,072,132.40 = 21,256,279.20/x
  3. Step 3: Cross multiply
    29,381,421.60x = 44,072,132.40 × 21,256,279.20
  4. Step 4: Simplify right side
    29,381,421.60x = 936,809,551,233,766
  5. Step 5: Solve for x
    x = 936,809,551,233,766/29,381,421.60
  6. Step 6: Final answer
    x = 31,884,418.80

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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.