Home / 28,275,861.52-42,413,792.28-13,926,954.52

Finding the Fourth Proportional to 28,275,861.52, 42,413,792.28 and 13,926,954.52

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Solution

The fourth proportional to 28,275,861.52, 42,413,792.28 and 13,926,954.52 is: 20,890,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,275,861.52 : 42,413,792.28 = 13,926,954.52 : x
  2. Step 2: Convert to fraction form
    28,275,861.52/42,413,792.28 = 13,926,954.52/x
  3. Step 3: Cross multiply
    28,275,861.52x = 42,413,792.28 × 13,926,954.52
  4. Step 4: Simplify right side
    28,275,861.52x = 590,694,955,822,583.38
  5. Step 5: Solve for x
    x = 590,694,955,822,583.38/28,275,861.52
  6. Step 6: Final answer
    x = 20,890,431.77

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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.