Home / 10,514,748.60-15,772,122.90-6,458,082.30

Finding the Fourth Proportional to 10,514,748.60, 15,772,122.90 and 6,458,082.30

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Solution

The fourth proportional to 10,514,748.60, 15,772,122.90 and 6,458,082.30 is: 9,687,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514,748.60 : 15,772,122.90 = 6,458,082.30 : x
  2. Step 2: Convert to fraction form
    10,514,748.60/15,772,122.90 = 6,458,082.30/x
  3. Step 3: Cross multiply
    10,514,748.60x = 15,772,122.90 × 6,458,082.30
  4. Step 4: Simplify right side
    10,514,748.60x = 101,857,667,733,914.67
  5. Step 5: Solve for x
    x = 101,857,667,733,914.67/10,514,748.60
  6. Step 6: Final answer
    x = 9,687,123.45

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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.