Home / 28,976,142.61-39,970,427.02-18,092,230.93

Finding the Fourth Proportional to 28,976,142.61, 39,970,427.02 and 18,092,230.93

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Solution

The fourth proportional to 28,976,142.61, 39,970,427.02 and 18,092,230.93 is: 24,956,882.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,976,142.61 : 39,970,427.02 = 18,092,230.93 : x
  2. Step 2: Convert to fraction form
    28,976,142.61/39,970,427.02 = 18,092,230.93/x
  3. Step 3: Cross multiply
    28,976,142.61x = 39,970,427.02 × 18,092,230.93
  4. Step 4: Simplify right side
    28,976,142.61x = 723,154,196,016,551.75
  5. Step 5: Solve for x
    x = 723,154,196,016,551.75/28,976,142.61
  6. Step 6: Final answer
    x = 24,956,882.83

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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.