Home / 12,449,400.26-17,180,138.39-6,942,781.08

Finding the Fourth Proportional to 12,449,400.26, 17,180,138.39 and 6,942,781.08

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Solution

The fourth proportional to 12,449,400.26, 17,180,138.39 and 6,942,781.08 is: 9,581,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449,400.26 : 17,180,138.39 = 6,942,781.08 : x
  2. Step 2: Convert to fraction form
    12,449,400.26/17,180,138.39 = 6,942,781.08/x
  3. Step 3: Cross multiply
    12,449,400.26x = 17,180,138.39 × 6,942,781.08
  4. Step 4: Simplify right side
    12,449,400.26x = 119,277,939,731,159.77
  5. Step 5: Solve for x
    x = 119,277,939,731,159.77/12,449,400.26
  6. Step 6: Final answer
    x = 9,581,018.95

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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.