Home / 11,020,764.20-16,531,146.30-8,186,412.20

Finding the Fourth Proportional to 11,020,764.20, 16,531,146.30 and 8,186,412.20

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Solution

The fourth proportional to 11,020,764.20, 16,531,146.30 and 8,186,412.20 is: 12,279,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020,764.20 : 16,531,146.30 = 8,186,412.20 : x
  2. Step 2: Convert to fraction form
    11,020,764.20/16,531,146.30 = 8,186,412.20/x
  3. Step 3: Cross multiply
    11,020,764.20x = 16,531,146.30 × 8,186,412.20
  4. Step 4: Simplify right side
    11,020,764.20x = 135,330,777,750,304.88
  5. Step 5: Solve for x
    x = 135,330,777,750,304.88/11,020,764.20
  6. Step 6: Final answer
    x = 12,279,618.30

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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.