Home / 7,268,169.60-10,902,254.40-7,218,403.20

Finding the Fourth Proportional to 7,268,169.60, 10,902,254.40 and 7,218,403.20

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Solution

The fourth proportional to 7,268,169.60, 10,902,254.40 and 7,218,403.20 is: 10,827,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268,169.60 : 10,902,254.40 = 7,218,403.20 : x
  2. Step 2: Convert to fraction form
    7,268,169.60/10,902,254.40 = 7,218,403.20/x
  3. Step 3: Cross multiply
    7,268,169.60x = 10,902,254.40 × 7,218,403.20
  4. Step 4: Simplify right side
    7,268,169.60x = 78,696,868,048,174.08
  5. Step 5: Solve for x
    x = 78,696,868,048,174.08/7,268,169.60
  6. Step 6: Final answer
    x = 10,827,604.80

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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.