Home / 8,399,308.60-12,584,966.10-7,895,423.80

Finding the Fourth Proportional to 8,399,308.60, 12,584,966.10 and 7,895,423.80

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Solution

The fourth proportional to 8,399,308.60, 12,584,966.10 and 7,895,423.80 is: 11,829,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399,308.60 : 12,584,966.10 = 7,895,423.80 : x
  2. Step 2: Convert to fraction form
    8,399,308.60/12,584,966.10 = 7,895,423.80/x
  3. Step 3: Cross multiply
    8,399,308.60x = 12,584,966.10 × 7,895,423.80
  4. Step 4: Simplify right side
    8,399,308.60x = 99,363,640,868,133.17
  5. Step 5: Solve for x
    x = 99,363,640,868,133.17/8,399,308.60
  6. Step 6: Final answer
    x = 11,829,978.59

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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.