Home / 18,145,279.80-27,186,426.90-11,752,241.40

Finding the Fourth Proportional to 18,145,279.80, 27,186,426.90 and 11,752,241.40

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Solution

The fourth proportional to 18,145,279.80, 27,186,426.90 and 11,752,241.40 is: 17,607,965.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,279.80 : 27,186,426.90 = 11,752,241.40 : x
  2. Step 2: Convert to fraction form
    18,145,279.80/27,186,426.90 = 11,752,241.40/x
  3. Step 3: Cross multiply
    18,145,279.80x = 27,186,426.90 × 11,752,241.40
  4. Step 4: Simplify right side
    18,145,279.80x = 319,501,451,732,253.62
  5. Step 5: Solve for x
    x = 319,501,451,732,253.62/18,145,279.80
  6. Step 6: Final answer
    x = 17,607,965.01

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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.