Home / 8,780,974.24-13,171,387.47-6,863,498.30

Finding the Fourth Proportional to 8,780,974.24, 13,171,387.47 and 6,863,498.30

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Solution

The fourth proportional to 8,780,974.24, 13,171,387.47 and 6,863,498.30 is: 10,295,189.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780,974.24 : 13,171,387.47 = 6,863,498.30 : x
  2. Step 2: Convert to fraction form
    8,780,974.24/13,171,387.47 = 6,863,498.30/x
  3. Step 3: Cross multiply
    8,780,974.24x = 13,171,387.47 × 6,863,498.30
  4. Step 4: Simplify right side
    8,780,974.24x = 90,401,795,443,129.38
  5. Step 5: Solve for x
    x = 90,401,795,443,129.38/8,780,974.24
  6. Step 6: Final answer
    x = 10,295,189.69

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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.