Home / 12,658,612.76-17,468,869.82-6,857,418.48

Finding the Fourth Proportional to 12,658,612.76, 17,468,869.82 and 6,857,418.48

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Solution

The fourth proportional to 12,658,612.76, 17,468,869.82 and 6,857,418.48 is: 9,463,228.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658,612.76 : 17,468,869.82 = 6,857,418.48 : x
  2. Step 2: Convert to fraction form
    12,658,612.76/17,468,869.82 = 6,857,418.48/x
  3. Step 3: Cross multiply
    12,658,612.76x = 17,468,869.82 × 6,857,418.48
  4. Step 4: Simplify right side
    12,658,612.76x = 119,791,350,641,037.92
  5. Step 5: Solve for x
    x = 119,791,350,641,037.92/12,658,612.76
  6. Step 6: Final answer
    x = 9,463,228.94

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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.