Home / 20,863,011.60-31,294,517.40-20,107,184.40

Finding the Fourth Proportional to 20,863,011.60, 31,294,517.40 and 20,107,184.40

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Solution

The fourth proportional to 20,863,011.60, 31,294,517.40 and 20,107,184.40 is: 30,160,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,863,011.60 : 31,294,517.40 = 20,107,184.40 : x
  2. Step 2: Convert to fraction form
    20,863,011.60/31,294,517.40 = 20,107,184.40/x
  3. Step 3: Cross multiply
    20,863,011.60x = 31,294,517.40 × 20,107,184.40
  4. Step 4: Simplify right side
    20,863,011.60x = 629,244,632,070,808.50
  5. Step 5: Solve for x
    x = 629,244,632,070,808.50/20,863,011.60
  6. Step 6: Final answer
    x = 30,160,776.60

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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.