Home / 28,391,113.49-42,569,615.03-11,098,718.78

Finding the Fourth Proportional to 28,391,113.49, 42,569,615.03 and 11,098,718.78

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Solution

The fourth proportional to 28,391,113.49, 42,569,615.03 and 11,098,718.78 is: 16,641,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,391,113.49 : 42,569,615.03 = 11,098,718.78 : x
  2. Step 2: Convert to fraction form
    28,391,113.49/42,569,615.03 = 11,098,718.78/x
  3. Step 3: Cross multiply
    28,391,113.49x = 42,569,615.03 × 11,098,718.78
  4. Step 4: Simplify right side
    28,391,113.49x = 472,468,185,522,489.56
  5. Step 5: Solve for x
    x = 472,468,185,522,489.56/28,391,113.49
  6. Step 6: Final answer
    x = 16,641,410.90

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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.