Home / 19,008,098.90-28,491,153.15-10,494,545.30

Finding the Fourth Proportional to 19,008,098.90, 28,491,153.15 and 10,494,545.30

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Solution

The fourth proportional to 19,008,098.90, 28,491,153.15 and 10,494,545.30 is: 15,730,226.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,098.90 : 28,491,153.15 = 10,494,545.30 : x
  2. Step 2: Convert to fraction form
    19,008,098.90/28,491,153.15 = 10,494,545.30/x
  3. Step 3: Cross multiply
    19,008,098.90x = 28,491,153.15 × 10,494,545.30
  4. Step 4: Simplify right side
    19,008,098.90x = 299,001,697,381,912.69
  5. Step 5: Solve for x
    x = 299,001,697,381,912.69/19,008,098.90
  6. Step 6: Final answer
    x = 15,730,226.31

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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.