Home / 20,161,256.90-30,241,885.35-5,015,188.40

Finding the Fourth Proportional to 20,161,256.90, 30,241,885.35 and 5,015,188.40

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Solution

The fourth proportional to 20,161,256.90, 30,241,885.35 and 5,015,188.40 is: 7,522,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161,256.90 : 30,241,885.35 = 5,015,188.40 : x
  2. Step 2: Convert to fraction form
    20,161,256.90/30,241,885.35 = 5,015,188.40/x
  3. Step 3: Cross multiply
    20,161,256.90x = 30,241,885.35 × 5,015,188.40
  4. Step 4: Simplify right side
    20,161,256.90x = 151,668,752,601,449.97
  5. Step 5: Solve for x
    x = 151,668,752,601,449.97/20,161,256.90
  6. Step 6: Final answer
    x = 7,522,782.60

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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.