Home / 8,587,985.80-12,881,970.42-2,198,227.90

Finding the Fourth Proportional to 8,587,985.80, 12,881,970.42 and 2,198,227.90

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Solution

The fourth proportional to 8,587,985.80, 12,881,970.42 and 2,198,227.90 is: 3,297,339.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587,985.80 : 12,881,970.42 = 2,198,227.90 : x
  2. Step 2: Convert to fraction form
    8,587,985.80/12,881,970.42 = 2,198,227.90/x
  3. Step 3: Cross multiply
    8,587,985.80x = 12,881,970.42 × 2,198,227.90
  4. Step 4: Simplify right side
    8,587,985.80x = 28,317,506,784,218.71
  5. Step 5: Solve for x
    x = 28,317,506,784,218.71/8,587,985.80
  6. Step 6: Final answer
    x = 3,297,339.73

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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.