Home / 18,377,248.82-27,571,663.17-8,661,468.51

Finding the Fourth Proportional to 18,377,248.82, 27,571,663.17 and 8,661,468.51

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Solution

The fourth proportional to 18,377,248.82, 27,571,663.17 and 8,661,468.51 is: 12,994,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377,248.82 : 27,571,663.17 = 8,661,468.51 : x
  2. Step 2: Convert to fraction form
    18,377,248.82/27,571,663.17 = 8,661,468.51/x
  3. Step 3: Cross multiply
    18,377,248.82x = 27,571,663.17 × 8,661,468.51
  4. Step 4: Simplify right side
    18,377,248.82x = 238,811,092,315,281.78
  5. Step 5: Solve for x
    x = 238,811,092,315,281.78/18,377,248.82
  6. Step 6: Final answer
    x = 12,994,931.65

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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.