Home / 13,902,711.90-20,854,067.85-8,229,342.30

Finding the Fourth Proportional to 13,902,711.90, 20,854,067.85 and 8,229,342.30

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Solution

The fourth proportional to 13,902,711.90, 20,854,067.85 and 8,229,342.30 is: 12,344,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,711.90 : 20,854,067.85 = 8,229,342.30 : x
  2. Step 2: Convert to fraction form
    13,902,711.90/20,854,067.85 = 8,229,342.30/x
  3. Step 3: Cross multiply
    13,902,711.90x = 20,854,067.85 × 8,229,342.30
  4. Step 4: Simplify right side
    13,902,711.90x = 171,615,262,685,075.06
  5. Step 5: Solve for x
    x = 171,615,262,685,075.06/13,902,711.90
  6. Step 6: Final answer
    x = 12,344,013.45

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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.