Home / 13,292,341.52-18,343,175.56-7,491,006.90

Finding the Fourth Proportional to 13,292,341.52, 18,343,175.56 and 7,491,006.90

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Solution

The fourth proportional to 13,292,341.52, 18,343,175.56 and 7,491,006.90 is: 10,337,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292,341.52 : 18,343,175.56 = 7,491,006.90 : x
  2. Step 2: Convert to fraction form
    13,292,341.52/18,343,175.56 = 7,491,006.90/x
  3. Step 3: Cross multiply
    13,292,341.52x = 18,343,175.56 × 7,491,006.90
  4. Step 4: Simplify right side
    13,292,341.52x = 137,408,854,669,143.86
  5. Step 5: Solve for x
    x = 137,408,854,669,143.86/13,292,341.52
  6. Step 6: Final answer
    x = 10,337,445.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.