Home / 12,342,819.70-18,514,229.55-10,516,237.30

Finding the Fourth Proportional to 12,342,819.70, 18,514,229.55 and 10,516,237.30

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Solution

The fourth proportional to 12,342,819.70, 18,514,229.55 and 10,516,237.30 is: 15,774,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342,819.70 : 18,514,229.55 = 10,516,237.30 : x
  2. Step 2: Convert to fraction form
    12,342,819.70/18,514,229.55 = 10,516,237.30/x
  3. Step 3: Cross multiply
    12,342,819.70x = 18,514,229.55 × 10,516,237.30
  4. Step 4: Simplify right side
    12,342,819.70x = 194,700,031,374,472.25
  5. Step 5: Solve for x
    x = 194,700,031,374,472.25/12,342,819.70
  6. Step 6: Final answer
    x = 15,774,355.95

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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.