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Finding the Fourth Proportional to 5,244,806.20, 7,357,658.60 and 5,244,806.20

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Solution

The fourth proportional to 5,244,806.20, 7,357,658.60 and 5,244,806.20 is: 7,357,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244,806.20 : 7,357,658.60 = 5,244,806.20 : x
  2. Step 2: Convert to fraction form
    5,244,806.20/7,357,658.60 = 5,244,806.20/x
  3. Step 3: Cross multiply
    5,244,806.20x = 7,357,658.60 × 5,244,806.20
  4. Step 4: Simplify right side
    5,244,806.20x = 38,589,493,442,763.32
  5. Step 5: Solve for x
    x = 38,589,493,442,763.32/5,244,806.20
  6. Step 6: Final answer
    x = 7,357,658.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.