Home / 13,712,379.32-20,550,853.92-6,526,115.96

Finding the Fourth Proportional to 13,712,379.32, 20,550,853.92 and 6,526,115.96

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Solution

The fourth proportional to 13,712,379.32, 20,550,853.92 and 6,526,115.96 is: 9,780,742.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712,379.32 : 20,550,853.92 = 6,526,115.96 : x
  2. Step 2: Convert to fraction form
    13,712,379.32/20,550,853.92 = 6,526,115.96/x
  3. Step 3: Cross multiply
    13,712,379.32x = 20,550,853.92 × 6,526,115.96
  4. Step 4: Simplify right side
    13,712,379.32x = 134,117,255,758,940.58
  5. Step 5: Solve for x
    x = 134,117,255,758,940.58/13,712,379.32
  6. Step 6: Final answer
    x = 9,780,742.83

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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.