Home / 18,015,756.68-27,018,045.95-6,499,726.87

Finding the Fourth Proportional to 18,015,756.68, 27,018,045.95 and 6,499,726.87

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Solution

The fourth proportional to 18,015,756.68, 27,018,045.95 and 6,499,726.87 is: 9,747,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015,756.68 : 27,018,045.95 = 6,499,726.87 : x
  2. Step 2: Convert to fraction form
    18,015,756.68/27,018,045.95 = 6,499,726.87/x
  3. Step 3: Cross multiply
    18,015,756.68x = 27,018,045.95 × 6,499,726.87
  4. Step 4: Simplify right side
    18,015,756.68x = 175,609,919,236,109.69
  5. Step 5: Solve for x
    x = 175,609,919,236,109.69/18,015,756.68
  6. Step 6: Final answer
    x = 9,747,573.88

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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.