Home / 18,207,831.60-27,311,747.40-4,744,659.60

Finding the Fourth Proportional to 18,207,831.60, 27,311,747.40 and 4,744,659.60

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Solution

The fourth proportional to 18,207,831.60, 27,311,747.40 and 4,744,659.60 is: 7,116,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207,831.60 : 27,311,747.40 = 4,744,659.60 : x
  2. Step 2: Convert to fraction form
    18,207,831.60/27,311,747.40 = 4,744,659.60/x
  3. Step 3: Cross multiply
    18,207,831.60x = 27,311,747.40 × 4,744,659.60
  4. Step 4: Simplify right side
    18,207,831.60x = 129,584,944,494,185.02
  5. Step 5: Solve for x
    x = 129,584,944,494,185.02/18,207,831.60
  6. Step 6: Final answer
    x = 7,116,989.40

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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.