Home / 9,476,999.10-14,215,498.65-8,378,687.70

Finding the Fourth Proportional to 9,476,999.10, 14,215,498.65 and 8,378,687.70

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Solution

The fourth proportional to 9,476,999.10, 14,215,498.65 and 8,378,687.70 is: 12,568,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,476,999.10 : 14,215,498.65 = 8,378,687.70 : x
  2. Step 2: Convert to fraction form
    9,476,999.10/14,215,498.65 = 8,378,687.70/x
  3. Step 3: Cross multiply
    9,476,999.10x = 14,215,498.65 × 8,378,687.70
  4. Step 4: Simplify right side
    9,476,999.10x = 119,107,223,688,121.61
  5. Step 5: Solve for x
    x = 119,107,223,688,121.61/9,476,999.10
  6. Step 6: Final answer
    x = 12,568,031.55

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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.