Home / 19,790,178.78-29,651,184.90-15,470,545.98

Finding the Fourth Proportional to 19,790,178.78, 29,651,184.90 and 15,470,545.98

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Solution

The fourth proportional to 19,790,178.78, 29,651,184.90 and 15,470,545.98 is: 23,179,175.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790,178.78 : 29,651,184.90 = 15,470,545.98 : x
  2. Step 2: Convert to fraction form
    19,790,178.78/29,651,184.90 = 15,470,545.98/x
  3. Step 3: Cross multiply
    19,790,178.78x = 29,651,184.90 × 15,470,545.98
  4. Step 4: Simplify right side
    19,790,178.78x = 458,720,019,356,931.69
  5. Step 5: Solve for x
    x = 458,720,019,356,931.69/19,790,178.78
  6. Step 6: Final answer
    x = 23,179,175.11

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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.