Home / 15,139,306.92-22,709,283.06-5,424,554.52

Finding the Fourth Proportional to 15,139,306.92, 22,709,283.06 and 5,424,554.52

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Solution

The fourth proportional to 15,139,306.92, 22,709,283.06 and 5,424,554.52 is: 8,136,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139,306.92 : 22,709,283.06 = 5,424,554.52 : x
  2. Step 2: Convert to fraction form
    15,139,306.92/22,709,283.06 = 5,424,554.52/x
  3. Step 3: Cross multiply
    15,139,306.92x = 22,709,283.06 × 5,424,554.52
  4. Step 4: Simplify right side
    15,139,306.92x = 123,187,744,069,082.41
  5. Step 5: Solve for x
    x = 123,187,744,069,082.41/15,139,306.92
  6. Step 6: Final answer
    x = 8,136,947.40

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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.