Home / 8,806,961.20-13,198,000.20-6,514,596.40

Finding the Fourth Proportional to 8,806,961.20, 13,198,000.20 and 6,514,596.40

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Solution

The fourth proportional to 8,806,961.20, 13,198,000.20 and 6,514,596.40 is: 9,762,691.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806,961.20 : 13,198,000.20 = 6,514,596.40 : x
  2. Step 2: Convert to fraction form
    8,806,961.20/13,198,000.20 = 6,514,596.40/x
  3. Step 3: Cross multiply
    8,806,961.20x = 13,198,000.20 × 6,514,596.40
  4. Step 4: Simplify right side
    8,806,961.20x = 85,979,644,590,119.28
  5. Step 5: Solve for x
    x = 85,979,644,590,119.28/8,806,961.20
  6. Step 6: Final answer
    x = 9,762,691.43

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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.