Home / 7,821,645.80-11,732,468.70-6,876,084.20

Finding the Fourth Proportional to 7,821,645.80, 11,732,468.70 and 6,876,084.20

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Solution

The fourth proportional to 7,821,645.80, 11,732,468.70 and 6,876,084.20 is: 10,314,126.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821,645.80 : 11,732,468.70 = 6,876,084.20 : x
  2. Step 2: Convert to fraction form
    7,821,645.80/11,732,468.70 = 6,876,084.20/x
  3. Step 3: Cross multiply
    7,821,645.80x = 11,732,468.70 × 6,876,084.20
  4. Step 4: Simplify right side
    7,821,645.80x = 80,673,442,655,064.53
  5. Step 5: Solve for x
    x = 80,673,442,655,064.53/7,821,645.80
  6. Step 6: Final answer
    x = 10,314,126.30

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1.5x scale

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.