Home / 8,301,707.80-12,452,561.70-7,982,843.20

Finding the Fourth Proportional to 8,301,707.80, 12,452,561.70 and 7,982,843.20

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Solution

The fourth proportional to 8,301,707.80, 12,452,561.70 and 7,982,843.20 is: 11,974,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301,707.80 : 12,452,561.70 = 7,982,843.20 : x
  2. Step 2: Convert to fraction form
    8,301,707.80/12,452,561.70 = 7,982,843.20/x
  3. Step 3: Cross multiply
    8,301,707.80x = 12,452,561.70 × 7,982,843.20
  4. Step 4: Simplify right side
    8,301,707.80x = 99,406,847,489,425.44
  5. Step 5: Solve for x
    x = 99,406,847,489,425.44/8,301,707.80
  6. Step 6: Final answer
    x = 11,974,264.80

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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.