Home / 19,691,124.16-27,172,617.60-10,988,613.76

Finding the Fourth Proportional to 19,691,124.16, 27,172,617.60 and 10,988,613.76

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Solution

The fourth proportional to 19,691,124.16, 27,172,617.60 and 10,988,613.76 is: 15,163,654.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691,124.16 : 27,172,617.60 = 10,988,613.76 : x
  2. Step 2: Convert to fraction form
    19,691,124.16/27,172,617.60 = 10,988,613.76/x
  3. Step 3: Cross multiply
    19,691,124.16x = 27,172,617.60 × 10,988,613.76
  4. Step 4: Simplify right side
    19,691,124.16x = 298,589,399,654,578.19
  5. Step 5: Solve for x
    x = 298,589,399,654,578.19/19,691,124.16
  6. Step 6: Final answer
    x = 15,163,654.31

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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.