Home / 8,579,186.91-12,868,769.50-2,189,439.41

Finding the Fourth Proportional to 8,579,186.91, 12,868,769.50 and 2,189,439.41

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Solution

The fourth proportional to 8,579,186.91, 12,868,769.50 and 2,189,439.41 is: 3,284,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,186.91 : 12,868,769.50 = 2,189,439.41 : x
  2. Step 2: Convert to fraction form
    8,579,186.91/12,868,769.50 = 2,189,439.41/x
  3. Step 3: Cross multiply
    8,579,186.91x = 12,868,769.50 × 2,189,439.41
  4. Step 4: Simplify right side
    8,579,186.91x = 28,175,391,031,688.55
  5. Step 5: Solve for x
    x = 28,175,391,031,688.55/8,579,186.91
  6. Step 6: Final answer
    x = 3,284,156.33

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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.