Home / 19,121,760.20-26,387,882.98-10,419,905.90

Finding the Fourth Proportional to 19,121,760.20, 26,387,882.98 and 10,419,905.90

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Solution

The fourth proportional to 19,121,760.20, 26,387,882.98 and 10,419,905.90 is: 14,379,390.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121,760.20 : 26,387,882.98 = 10,419,905.90 : x
  2. Step 2: Convert to fraction form
    19,121,760.20/26,387,882.98 = 10,419,905.90/x
  3. Step 3: Cross multiply
    19,121,760.20x = 26,387,882.98 × 10,419,905.90
  4. Step 4: Simplify right side
    19,121,760.20x = 274,959,257,393,822.38
  5. Step 5: Solve for x
    x = 274,959,257,393,822.38/19,121,760.20
  6. Step 6: Final answer
    x = 14,379,390.53

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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.