Home / 7,727,998.60-11,596,145.10-3,240,728.20

Finding the Fourth Proportional to 7,727,998.60, 11,596,145.10 and 3,240,728.20

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Solution

The fourth proportional to 7,727,998.60, 11,596,145.10 and 3,240,728.20 is: 4,862,831.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727,998.60 : 11,596,145.10 = 3,240,728.20 : x
  2. Step 2: Convert to fraction form
    7,727,998.60/11,596,145.10 = 3,240,728.20/x
  3. Step 3: Cross multiply
    7,727,998.60x = 11,596,145.10 × 3,240,728.20
  4. Step 4: Simplify right side
    7,727,998.60x = 37,579,954,436,861.82
  5. Step 5: Solve for x
    x = 37,579,954,436,861.82/7,727,998.60
  6. Step 6: Final answer
    x = 4,862,831.42

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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.