Home / 51,013,381.20-76,512,184-18,657,717.36

Finding the Fourth Proportional to 51,013,381.20, 76,512,184 and 18,657,717.36

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Solution

The fourth proportional to 51,013,381.20, 76,512,184 and 18,657,717.36 is: 27,983,691.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,013,381.20 : 76,512,184 = 18,657,717.36 : x
  2. Step 2: Convert to fraction form
    51,013,381.20/76,512,184 = 18,657,717.36/x
  3. Step 3: Cross multiply
    51,013,381.20x = 76,512,184 × 18,657,717.36
  4. Step 4: Simplify right side
    51,013,381.20x = 1,427,542,703,668,314.25
  5. Step 5: Solve for x
    x = 1,427,542,703,668,314.25/51,013,381.20
  6. Step 6: Final answer
    x = 27,983,691.14

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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.