Home / 13,063,221.86-18,000,660.31-10,105,067.70

Finding the Fourth Proportional to 13,063,221.86, 18,000,660.31 and 10,105,067.70

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Solution

The fourth proportional to 13,063,221.86, 18,000,660.31 and 10,105,067.70 is: 13,924,427.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063,221.86 : 18,000,660.31 = 10,105,067.70 : x
  2. Step 2: Convert to fraction form
    13,063,221.86/18,000,660.31 = 10,105,067.70/x
  3. Step 3: Cross multiply
    13,063,221.86x = 18,000,660.31 × 10,105,067.70
  4. Step 4: Simplify right side
    13,063,221.86x = 181,897,891,051,990.31
  5. Step 5: Solve for x
    x = 181,897,891,051,990.31/13,063,221.86
  6. Step 6: Final answer
    x = 13,924,427.91

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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.