Home / 29,121,971.20-43,682,956.80-9,949,854.40

Finding the Fourth Proportional to 29,121,971.20, 43,682,956.80 and 9,949,854.40

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Solution

The fourth proportional to 29,121,971.20, 43,682,956.80 and 9,949,854.40 is: 14,924,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121,971.20 : 43,682,956.80 = 9,949,854.40 : x
  2. Step 2: Convert to fraction form
    29,121,971.20/43,682,956.80 = 9,949,854.40/x
  3. Step 3: Cross multiply
    29,121,971.20x = 43,682,956.80 × 9,949,854.40
  4. Step 4: Simplify right side
    29,121,971.20x = 434,639,059,921,489.94
  5. Step 5: Solve for x
    x = 434,639,059,921,489.94/29,121,971.20
  6. Step 6: Final answer
    x = 14,924,781.60

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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.