Home / 13,892,891.95-20,837,446.12-3,656,894.58

Finding the Fourth Proportional to 13,892,891.95, 20,837,446.12 and 3,656,894.58

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Solution

The fourth proportional to 13,892,891.95, 20,837,446.12 and 3,656,894.58 is: 5,484,843.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892,891.95 : 20,837,446.12 = 3,656,894.58 : x
  2. Step 2: Convert to fraction form
    13,892,891.95/20,837,446.12 = 3,656,894.58/x
  3. Step 3: Cross multiply
    13,892,891.95x = 20,837,446.12 × 3,656,894.58
  4. Step 4: Simplify right side
    13,892,891.95x = 76,200,343,781,841.16
  5. Step 5: Solve for x
    x = 76,200,343,781,841.16/13,892,891.95
  6. Step 6: Final answer
    x = 5,484,843.91

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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.