Home / 8,358,536.80-12,564,531.60-7,766,869.60

Finding the Fourth Proportional to 8,358,536.80, 12,564,531.60 and 7,766,869.60

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Solution

The fourth proportional to 8,358,536.80, 12,564,531.60 and 7,766,869.60 is: 11,675,138.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,358,536.80 : 12,564,531.60 = 7,766,869.60 : x
  2. Step 2: Convert to fraction form
    8,358,536.80/12,564,531.60 = 7,766,869.60/x
  3. Step 3: Cross multiply
    8,358,536.80x = 12,564,531.60 × 7,766,869.60
  4. Step 4: Simplify right side
    8,358,536.80x = 97,587,078,522,279.36
  5. Step 5: Solve for x
    x = 97,587,078,522,279.36/8,358,536.80
  6. Step 6: Final answer
    x = 11,675,138.95

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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.