Home / 22,569,916.92-31,156,019.28-15,237,681.36

Finding the Fourth Proportional to 22,569,916.92, 31,156,019.28 and 15,237,681.36

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Solution

The fourth proportional to 22,569,916.92, 31,156,019.28 and 15,237,681.36 is: 21,034,436.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,569,916.92 : 31,156,019.28 = 15,237,681.36 : x
  2. Step 2: Convert to fraction form
    22,569,916.92/31,156,019.28 = 15,237,681.36/x
  3. Step 3: Cross multiply
    22,569,916.92x = 31,156,019.28 × 15,237,681.36
  4. Step 4: Simplify right side
    22,569,916.92x = 474,745,494,234,656.62
  5. Step 5: Solve for x
    x = 474,745,494,234,656.62/22,569,916.92
  6. Step 6: Final answer
    x = 21,034,436.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.