Home / 21,049,159.13-29,047,839.80-11,391,367.13

Finding the Fourth Proportional to 21,049,159.13, 29,047,839.80 and 11,391,367.13

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Solution

The fourth proportional to 21,049,159.13, 29,047,839.80 and 11,391,367.13 is: 15,720,086.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049,159.13 : 29,047,839.80 = 11,391,367.13 : x
  2. Step 2: Convert to fraction form
    21,049,159.13/29,047,839.80 = 11,391,367.13/x
  3. Step 3: Cross multiply
    21,049,159.13x = 29,047,839.80 × 11,391,367.13
  4. Step 4: Simplify right side
    21,049,159.13x = 330,894,607,293,029.75
  5. Step 5: Solve for x
    x = 330,894,607,293,029.75/21,049,159.13
  6. Step 6: Final answer
    x = 15,720,086.74

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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.