Home / 27,642,115.90-38,145,859.56-15,252,321.34

Finding the Fourth Proportional to 27,642,115.90, 38,145,859.56 and 15,252,321.34

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Solution

The fourth proportional to 27,642,115.90, 38,145,859.56 and 15,252,321.34 is: 21,048,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,642,115.90 : 38,145,859.56 = 15,252,321.34 : x
  2. Step 2: Convert to fraction form
    27,642,115.90/38,145,859.56 = 15,252,321.34/x
  3. Step 3: Cross multiply
    27,642,115.90x = 38,145,859.56 × 15,252,321.34
  4. Step 4: Simplify right side
    27,642,115.90x = 581,812,907,799,631
  5. Step 5: Solve for x
    x = 581,812,907,799,631/27,642,115.90
  6. Step 6: Final answer
    x = 21,048,059.78

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Double scale
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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.