Home / 8,540,627.80-12,792,279.30-6,632,397.40

Finding the Fourth Proportional to 8,540,627.80, 12,792,279.30 and 6,632,397.40

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Solution

The fourth proportional to 8,540,627.80, 12,792,279.30 and 6,632,397.40 is: 9,934,103.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540,627.80 : 12,792,279.30 = 6,632,397.40 : x
  2. Step 2: Convert to fraction form
    8,540,627.80/12,792,279.30 = 6,632,397.40/x
  3. Step 3: Cross multiply
    8,540,627.80x = 12,792,279.30 × 6,632,397.40
  4. Step 4: Simplify right side
    8,540,627.80x = 84,843,479,969,393.83
  5. Step 5: Solve for x
    x = 84,843,479,969,393.83/8,540,627.80
  6. Step 6: Final answer
    x = 9,934,103.44

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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.