Home / 13,127,116.80-19,690,675.20-3,542,479.95

Finding the Fourth Proportional to 13,127,116.80, 19,690,675.20 and 3,542,479.95

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Solution

The fourth proportional to 13,127,116.80, 19,690,675.20 and 3,542,479.95 is: 5,313,719.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127,116.80 : 19,690,675.20 = 3,542,479.95 : x
  2. Step 2: Convert to fraction form
    13,127,116.80/19,690,675.20 = 3,542,479.95/x
  3. Step 3: Cross multiply
    13,127,116.80x = 19,690,675.20 × 3,542,479.95
  4. Step 4: Simplify right side
    13,127,116.80x = 69,753,822,097,962.24
  5. Step 5: Solve for x
    x = 69,753,822,097,962.24/13,127,116.80
  6. Step 6: Final answer
    x = 5,313,719.93

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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.