Home / 8,046,206.20-12,069,309.30-7,169,328.55

Finding the Fourth Proportional to 8,046,206.20, 12,069,309.30 and 7,169,328.55

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Solution

The fourth proportional to 8,046,206.20, 12,069,309.30 and 7,169,328.55 is: 10,753,992.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,046,206.20 : 12,069,309.30 = 7,169,328.55 : x
  2. Step 2: Convert to fraction form
    8,046,206.20/12,069,309.30 = 7,169,328.55/x
  3. Step 3: Cross multiply
    8,046,206.20x = 12,069,309.30 × 7,169,328.55
  4. Step 4: Simplify right side
    8,046,206.20x = 86,528,843,743,270.52
  5. Step 5: Solve for x
    x = 86,528,843,743,270.52/8,046,206.20
  6. Step 6: Final answer
    x = 10,753,992.83

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Double scale
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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.