Home / 20,879,597.98-31,309,271.04-12,246,517.36

Finding the Fourth Proportional to 20,879,597.98, 31,309,271.04 and 12,246,517.36

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Solution

The fourth proportional to 20,879,597.98, 31,309,271.04 and 12,246,517.36 is: 18,363,836.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,879,597.98 : 31,309,271.04 = 12,246,517.36 : x
  2. Step 2: Convert to fraction form
    20,879,597.98/31,309,271.04 = 12,246,517.36/x
  3. Step 3: Cross multiply
    20,879,597.98x = 31,309,271.04 × 12,246,517.36
  4. Step 4: Simplify right side
    20,879,597.98x = 383,429,531,320,305.25
  5. Step 5: Solve for x
    x = 383,429,531,320,305.25/20,879,597.98
  6. Step 6: Final answer
    x = 18,363,836.88

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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.