Home / 8,147,310.90-12,220,966.35-7,249,766.10

Finding the Fourth Proportional to 8,147,310.90, 12,220,966.35 and 7,249,766.10

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Solution

The fourth proportional to 8,147,310.90, 12,220,966.35 and 7,249,766.10 is: 10,874,649.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147,310.90 : 12,220,966.35 = 7,249,766.10 : x
  2. Step 2: Convert to fraction form
    8,147,310.90/12,220,966.35 = 7,249,766.10/x
  3. Step 3: Cross multiply
    8,147,310.90x = 12,220,966.35 × 7,249,766.10
  4. Step 4: Simplify right side
    8,147,310.90x = 88,599,147,553,470.73
  5. Step 5: Solve for x
    x = 88,599,147,553,470.73/8,147,310.90
  6. Step 6: Final answer
    x = 10,874,649.15

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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.