Home / 27,515,828.80-41,273,743.20-15,571,892.80

Finding the Fourth Proportional to 27,515,828.80, 41,273,743.20 and 15,571,892.80

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Solution

The fourth proportional to 27,515,828.80, 41,273,743.20 and 15,571,892.80 is: 23,357,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515,828.80 : 41,273,743.20 = 15,571,892.80 : x
  2. Step 2: Convert to fraction form
    27,515,828.80/41,273,743.20 = 15,571,892.80/x
  3. Step 3: Cross multiply
    27,515,828.80x = 41,273,743.20 × 15,571,892.80
  4. Step 4: Simplify right side
    27,515,828.80x = 642,710,304,565,129
  5. Step 5: Solve for x
    x = 642,710,304,565,129/27,515,828.80
  6. Step 6: Final answer
    x = 23,357,839.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.