Home / 20,161,253.90-30,241,880.85-5,015,185.40

Finding the Fourth Proportional to 20,161,253.90, 30,241,880.85 and 5,015,185.40

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Solution

The fourth proportional to 20,161,253.90, 30,241,880.85 and 5,015,185.40 is: 7,522,778.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161,253.90 : 30,241,880.85 = 5,015,185.40 : x
  2. Step 2: Convert to fraction form
    20,161,253.90/30,241,880.85 = 5,015,185.40/x
  3. Step 3: Cross multiply
    20,161,253.90x = 30,241,880.85 × 5,015,185.40
  4. Step 4: Simplify right side
    20,161,253.90x = 151,668,639,307,459.59
  5. Step 5: Solve for x
    x = 151,668,639,307,459.59/20,161,253.90
  6. Step 6: Final answer
    x = 7,522,778.10

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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.