Home / 19,801,998.90-29,698,851.15-9,711,861.30

Finding the Fourth Proportional to 19,801,998.90, 29,698,851.15 and 9,711,861.30

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Solution

The fourth proportional to 19,801,998.90, 29,698,851.15 and 9,711,861.30 is: 14,565,757.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801,998.90 : 29,698,851.15 = 9,711,861.30 : x
  2. Step 2: Convert to fraction form
    19,801,998.90/29,698,851.15 = 9,711,861.30/x
  3. Step 3: Cross multiply
    19,801,998.90x = 29,698,851.15 × 9,711,861.30
  4. Step 4: Simplify right side
    19,801,998.90x = 288,431,123,138,145.50
  5. Step 5: Solve for x
    x = 288,431,123,138,145.50/19,801,998.90
  6. Step 6: Final answer
    x = 14,565,757.96

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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.