Home / 8,503,310.80-12,754,966.20-5,314,664.80

Finding the Fourth Proportional to 8,503,310.80, 12,754,966.20 and 5,314,664.80

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Solution

The fourth proportional to 8,503,310.80, 12,754,966.20 and 5,314,664.80 is: 7,971,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,310.80 : 12,754,966.20 = 5,314,664.80 : x
  2. Step 2: Convert to fraction form
    8,503,310.80/12,754,966.20 = 5,314,664.80/x
  3. Step 3: Cross multiply
    8,503,310.80x = 12,754,966.20 × 5,314,664.80
  4. Step 4: Simplify right side
    8,503,310.80x = 67,788,369,888,329.75
  5. Step 5: Solve for x
    x = 67,788,369,888,329.75/8,503,310.80
  6. Step 6: Final answer
    x = 7,971,997.20

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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.