Home / 12,419,168.44-17,138,614.95-6,838,064.12

Finding the Fourth Proportional to 12,419,168.44, 17,138,614.95 and 6,838,064.12

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Solution

The fourth proportional to 12,419,168.44, 17,138,614.95 and 6,838,064.12 is: 9,436,617.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,419,168.44 : 17,138,614.95 = 6,838,064.12 : x
  2. Step 2: Convert to fraction form
    12,419,168.44/17,138,614.95 = 6,838,064.12/x
  3. Step 3: Cross multiply
    12,419,168.44x = 17,138,614.95 × 6,838,064.12
  4. Step 4: Simplify right side
    12,419,168.44x = 117,194,947,870,397.52
  5. Step 5: Solve for x
    x = 117,194,947,870,397.52/12,419,168.44
  6. Step 6: Final answer
    x = 9,436,617.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.