Home / 20,161,280.90-30,241,921.35-5,015,212.40

Finding the Fourth Proportional to 20,161,280.90, 30,241,921.35 and 5,015,212.40

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Solution

The fourth proportional to 20,161,280.90, 30,241,921.35 and 5,015,212.40 is: 7,522,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161,280.90 : 30,241,921.35 = 5,015,212.40 : x
  2. Step 2: Convert to fraction form
    20,161,280.90/30,241,921.35 = 5,015,212.40/x
  3. Step 3: Cross multiply
    20,161,280.90x = 30,241,921.35 × 5,015,212.40
  4. Step 4: Simplify right side
    20,161,280.90x = 151,669,658,954,344.75
  5. Step 5: Solve for x
    x = 151,669,658,954,344.75/20,161,280.90
  6. Step 6: Final answer
    x = 7,522,818.60

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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.