Home / 5,328,608.10-7,992,912.15-4,712,748.90

Finding the Fourth Proportional to 5,328,608.10, 7,992,912.15 and 4,712,748.90

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Solution

The fourth proportional to 5,328,608.10, 7,992,912.15 and 4,712,748.90 is: 7,069,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,608.10 : 7,992,912.15 = 4,712,748.90 : x
  2. Step 2: Convert to fraction form
    5,328,608.10/7,992,912.15 = 4,712,748.90/x
  3. Step 3: Cross multiply
    5,328,608.10x = 7,992,912.15 × 4,712,748.90
  4. Step 4: Simplify right side
    5,328,608.10x = 37,668,587,942,709.14
  5. Step 5: Solve for x
    x = 37,668,587,942,709.14/5,328,608.10
  6. Step 6: Final answer
    x = 7,069,123.35

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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.