Home / 8,397,129.80-12,577,032.30-6,497,712.20

Finding the Fourth Proportional to 8,397,129.80, 12,577,032.30 and 6,497,712.20

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Solution

The fourth proportional to 8,397,129.80, 12,577,032.30 and 6,497,712.20 is: 9,732,127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397,129.80 : 12,577,032.30 = 6,497,712.20 : x
  2. Step 2: Convert to fraction form
    8,397,129.80/12,577,032.30 = 6,497,712.20/x
  3. Step 3: Cross multiply
    8,397,129.80x = 12,577,032.30 × 6,497,712.20
  4. Step 4: Simplify right side
    8,397,129.80x = 81,721,936,215,504.06
  5. Step 5: Solve for x
    x = 81,721,936,215,504.06/8,397,129.80
  6. Step 6: Final answer
    x = 9,732,127.31

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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.