Home / 20,161,289.40-30,241,934.10-5,015,220.90

Finding the Fourth Proportional to 20,161,289.40, 30,241,934.10 and 5,015,220.90

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Solution

The fourth proportional to 20,161,289.40, 30,241,934.10 and 5,015,220.90 is: 7,522,831.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161,289.40 : 30,241,934.10 = 5,015,220.90 : x
  2. Step 2: Convert to fraction form
    20,161,289.40/30,241,934.10 = 5,015,220.90/x
  3. Step 3: Cross multiply
    20,161,289.40x = 30,241,934.10 × 5,015,220.90
  4. Step 4: Simplify right side
    20,161,289.40x = 151,669,979,954,742.72
  5. Step 5: Solve for x
    x = 151,669,979,954,742.72/20,161,289.40
  6. Step 6: Final answer
    x = 7,522,831.35

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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.