Home / 27,687,654.41-38,209,362.86-15,298,034.23

Finding the Fourth Proportional to 27,687,654.41, 38,209,362.86 and 15,298,034.23

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Solution

The fourth proportional to 27,687,654.41, 38,209,362.86 and 15,298,034.23 is: 21,111,508.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,687,654.41 : 38,209,362.86 = 15,298,034.23 : x
  2. Step 2: Convert to fraction form
    27,687,654.41/38,209,362.86 = 15,298,034.23/x
  3. Step 3: Cross multiply
    27,687,654.41x = 38,209,362.86 × 15,298,034.23
  4. Step 4: Simplify right side
    27,687,654.41x = 584,528,141,024,777.38
  5. Step 5: Solve for x
    x = 584,528,141,024,777.38/27,687,654.41
  6. Step 6: Final answer
    x = 21,111,508.13

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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.