Home / 8,489,673.70-12,734,510.55-4,238,145.70

Finding the Fourth Proportional to 8,489,673.70, 12,734,510.55 and 4,238,145.70

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Solution

The fourth proportional to 8,489,673.70, 12,734,510.55 and 4,238,145.70 is: 6,357,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489,673.70 : 12,734,510.55 = 4,238,145.70 : x
  2. Step 2: Convert to fraction form
    8,489,673.70/12,734,510.55 = 4,238,145.70/x
  3. Step 3: Cross multiply
    8,489,673.70x = 12,734,510.55 × 4,238,145.70
  4. Step 4: Simplify right side
    8,489,673.70x = 53,970,711,129,087.14
  5. Step 5: Solve for x
    x = 53,970,711,129,087.14/8,489,673.70
  6. Step 6: Final answer
    x = 6,357,218.55

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Similar ratio
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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.