Home / 8,480,295.74-12,715,306.50-3,805,515.38

Finding the Fourth Proportional to 8,480,295.74, 12,715,306.50 and 3,805,515.38

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Solution

The fourth proportional to 8,480,295.74, 12,715,306.50 and 3,805,515.38 is: 5,705,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480,295.74 : 12,715,306.50 = 3,805,515.38 : x
  2. Step 2: Convert to fraction form
    8,480,295.74/12,715,306.50 = 3,805,515.38/x
  3. Step 3: Cross multiply
    8,480,295.74x = 12,715,306.50 × 3,805,515.38
  4. Step 4: Simplify right side
    8,480,295.74x = 48,388,294,447,163.97
  5. Step 5: Solve for x
    x = 48,388,294,447,163.97/8,480,295.74
  6. Step 6: Final answer
    x = 5,705,967.80

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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.