Home / 15,294,568.71-21,107,061.60-8,324,908.63

Finding the Fourth Proportional to 15,294,568.71, 21,107,061.60 and 8,324,908.63

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Solution

The fourth proportional to 15,294,568.71, 21,107,061.60 and 8,324,908.63 is: 11,488,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294,568.71 : 21,107,061.60 = 8,324,908.63 : x
  2. Step 2: Convert to fraction form
    15,294,568.71/21,107,061.60 = 8,324,908.63/x
  3. Step 3: Cross multiply
    15,294,568.71x = 21,107,061.60 × 8,324,908.63
  4. Step 4: Simplify right side
    15,294,568.71x = 175,714,359,267,781.62
  5. Step 5: Solve for x
    x = 175,714,359,267,781.62/15,294,568.71
  6. Step 6: Final answer
    x = 11,488,676.97

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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.