Home / 8,046,207.20-12,069,310.80-7,169,329.55

Finding the Fourth Proportional to 8,046,207.20, 12,069,310.80 and 7,169,329.55

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Solution

The fourth proportional to 8,046,207.20, 12,069,310.80 and 7,169,329.55 is: 10,753,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,046,207.20 : 12,069,310.80 = 7,169,329.55 : x
  2. Step 2: Convert to fraction form
    8,046,207.20/12,069,310.80 = 7,169,329.55/x
  3. Step 3: Cross multiply
    8,046,207.20x = 12,069,310.80 × 7,169,329.55
  4. Step 4: Simplify right side
    8,046,207.20x = 86,528,866,566,574.14
  5. Step 5: Solve for x
    x = 86,528,866,566,574.14/8,046,207.20
  6. Step 6: Final answer
    x = 10,753,994.33

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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.