Home / 8,585,005.40-12,877,508.10-2,195,757.80

Finding the Fourth Proportional to 8,585,005.40, 12,877,508.10 and 2,195,757.80

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Solution

The fourth proportional to 8,585,005.40, 12,877,508.10 and 2,195,757.80 is: 3,293,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585,005.40 : 12,877,508.10 = 2,195,757.80 : x
  2. Step 2: Convert to fraction form
    8,585,005.40/12,877,508.10 = 2,195,757.80/x
  3. Step 3: Cross multiply
    8,585,005.40x = 12,877,508.10 × 2,195,757.80
  4. Step 4: Simplify right side
    8,585,005.40x = 28,275,888,855,138.18
  5. Step 5: Solve for x
    x = 28,275,888,855,138.18/8,585,005.40
  6. Step 6: Final answer
    x = 3,293,636.70

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Similar ratio
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1.5x scale

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.