Home / 9,181,178.20-13,756,020.90-4,378,526.20

Finding the Fourth Proportional to 9,181,178.20, 13,756,020.90 and 4,378,526.20

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Solution

The fourth proportional to 9,181,178.20, 13,756,020.90 and 4,378,526.20 is: 6,560,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,178.20 : 13,756,020.90 = 4,378,526.20 : x
  2. Step 2: Convert to fraction form
    9,181,178.20/13,756,020.90 = 4,378,526.20/x
  3. Step 3: Cross multiply
    9,181,178.20x = 13,756,020.90 × 4,378,526.20
  4. Step 4: Simplify right side
    9,181,178.20x = 60,231,097,918,397.59
  5. Step 5: Solve for x
    x = 60,231,097,918,397.59/9,181,178.20
  6. Step 6: Final answer
    x = 6,560,279.80

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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.