Home / 21,049,159.14-29,047,839.81-11,391,367.14

Finding the Fourth Proportional to 21,049,159.14, 29,047,839.81 and 11,391,367.14

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Solution

The fourth proportional to 21,049,159.14, 29,047,839.81 and 11,391,367.14 is: 15,720,086.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049,159.14 : 29,047,839.81 = 11,391,367.14 : x
  2. Step 2: Convert to fraction form
    21,049,159.14/29,047,839.81 = 11,391,367.14/x
  3. Step 3: Cross multiply
    21,049,159.14x = 29,047,839.81 × 11,391,367.14
  4. Step 4: Simplify right side
    21,049,159.14x = 330,894,607,899,617.88
  5. Step 5: Solve for x
    x = 330,894,607,899,617.88/21,049,159.14
  6. Step 6: Final answer
    x = 15,720,086.76

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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.