Home / 18,656,272.60-28,026,399.30-18,152,387.80

Finding the Fourth Proportional to 18,656,272.60, 28,026,399.30 and 18,152,387.80

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Solution

The fourth proportional to 18,656,272.60, 28,026,399.30 and 18,152,387.80 is: 27,269,437.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656,272.60 : 28,026,399.30 = 18,152,387.80 : x
  2. Step 2: Convert to fraction form
    18,656,272.60/28,026,399.30 = 18,152,387.80/x
  3. Step 3: Cross multiply
    18,656,272.60x = 28,026,399.30 × 18,152,387.80
  4. Step 4: Simplify right side
    18,656,272.60x = 508,746,068,731,248.56
  5. Step 5: Solve for x
    x = 508,746,068,731,248.56/18,656,272.60
  6. Step 6: Final answer
    x = 27,269,437.99

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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.