Home / 18,536,411.70-27,806,691.15-5,756,814.90

Finding the Fourth Proportional to 18,536,411.70, 27,806,691.15 and 5,756,814.90

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Solution

The fourth proportional to 18,536,411.70, 27,806,691.15 and 5,756,814.90 is: 8,635,866.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536,411.70 : 27,806,691.15 = 5,756,814.90 : x
  2. Step 2: Convert to fraction form
    18,536,411.70/27,806,691.15 = 5,756,814.90/x
  3. Step 3: Cross multiply
    18,536,411.70x = 27,806,691.15 × 5,756,814.90
  4. Step 4: Simplify right side
    18,536,411.70x = 160,077,973,932,018.12
  5. Step 5: Solve for x
    x = 160,077,973,932,018.12/18,536,411.70
  6. Step 6: Final answer
    x = 8,635,866.34

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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.