Home / 15,719,792.13-21,693,090.89-8,844,257.79

Finding the Fourth Proportional to 15,719,792.13, 21,693,090.89 and 8,844,257.79

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Solution

The fourth proportional to 15,719,792.13, 21,693,090.89 and 8,844,257.79 is: 12,204,950.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719,792.13 : 21,693,090.89 = 8,844,257.79 : x
  2. Step 2: Convert to fraction form
    15,719,792.13/21,693,090.89 = 8,844,257.79/x
  3. Step 3: Cross multiply
    15,719,792.13x = 21,693,090.89 × 8,844,257.79
  4. Step 4: Simplify right side
    15,719,792.13x = 191,859,288,048,839.25
  5. Step 5: Solve for x
    x = 191,859,288,048,839.25/15,719,792.13
  6. Step 6: Final answer
    x = 12,204,950.71

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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.