Home / 8,566,528.70-12,849,793.05-8,188,615.10

Finding the Fourth Proportional to 8,566,528.70, 12,849,793.05 and 8,188,615.10

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Solution

The fourth proportional to 8,566,528.70, 12,849,793.05 and 8,188,615.10 is: 12,282,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566,528.70 : 12,849,793.05 = 8,188,615.10 : x
  2. Step 2: Convert to fraction form
    8,566,528.70/12,849,793.05 = 8,188,615.10/x
  3. Step 3: Cross multiply
    8,566,528.70x = 12,849,793.05 × 8,188,615.10
  4. Step 4: Simplify right side
    8,566,528.70x = 105,222,009,401,105.06
  5. Step 5: Solve for x
    x = 105,222,009,401,105.06/8,566,528.70
  6. Step 6: Final answer
    x = 12,282,922.65

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Double scale
Find fourth proportional to 8,566,529.70, 12,849,794.55 and 8,188,616.10
Similar ratio
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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.