Home / 8,538,576.20-12,807,864.30-5,668,794.80

Finding the Fourth Proportional to 8,538,576.20, 12,807,864.30 and 5,668,794.80

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Solution

The fourth proportional to 8,538,576.20, 12,807,864.30 and 5,668,794.80 is: 8,503,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,576.20 : 12,807,864.30 = 5,668,794.80 : x
  2. Step 2: Convert to fraction form
    8,538,576.20/12,807,864.30 = 5,668,794.80/x
  3. Step 3: Cross multiply
    8,538,576.20x = 12,807,864.30 × 5,668,794.80
  4. Step 4: Simplify right side
    8,538,576.20x = 72,605,154,542,945.64
  5. Step 5: Solve for x
    x = 72,605,154,542,945.64/8,538,576.20
  6. Step 6: Final answer
    x = 8,503,192.20

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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.