Home / 18,387,815.60-27,581,723.40-16,403,769.20

Finding the Fourth Proportional to 18,387,815.60, 27,581,723.40 and 16,403,769.20

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Solution

The fourth proportional to 18,387,815.60, 27,581,723.40 and 16,403,769.20 is: 24,605,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,387,815.60 : 27,581,723.40 = 16,403,769.20 : x
  2. Step 2: Convert to fraction form
    18,387,815.60/27,581,723.40 = 16,403,769.20/x
  3. Step 3: Cross multiply
    18,387,815.60x = 27,581,723.40 × 16,403,769.20
  4. Step 4: Simplify right side
    18,387,815.60x = 452,444,224,791,839.25
  5. Step 5: Solve for x
    x = 452,444,224,791,839.25/18,387,815.60
  6. Step 6: Final answer
    x = 24,605,653.80

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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.