Home / 18,381,665.80-27,572,498.70-8,815,727.80

Finding the Fourth Proportional to 18,381,665.80, 27,572,498.70 and 8,815,727.80

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Solution

The fourth proportional to 18,381,665.80, 27,572,498.70 and 8,815,727.80 is: 13,223,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381,665.80 : 27,572,498.70 = 8,815,727.80 : x
  2. Step 2: Convert to fraction form
    18,381,665.80/27,572,498.70 = 8,815,727.80/x
  3. Step 3: Cross multiply
    18,381,665.80x = 27,572,498.70 × 8,815,727.80
  4. Step 4: Simplify right side
    18,381,665.80x = 243,071,643,305,053.88
  5. Step 5: Solve for x
    x = 243,071,643,305,053.88/18,381,665.80
  6. Step 6: Final answer
    x = 13,223,591.70

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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.