Home / 12,813,426.47-17,690,781.13-11,434,398.59

Finding the Fourth Proportional to 12,813,426.47, 17,690,781.13 and 11,434,398.59

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Solution

The fourth proportional to 12,813,426.47, 17,690,781.13 and 11,434,398.59 is: 15,786,834.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813,426.47 : 17,690,781.13 = 11,434,398.59 : x
  2. Step 2: Convert to fraction form
    12,813,426.47/17,690,781.13 = 11,434,398.59/x
  3. Step 3: Cross multiply
    12,813,426.47x = 17,690,781.13 × 11,434,398.59
  4. Step 4: Simplify right side
    12,813,426.47x = 202,283,442,824,511.56
  5. Step 5: Solve for x
    x = 202,283,442,824,511.56/12,813,426.47
  6. Step 6: Final answer
    x = 15,786,834.48

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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.