Home / 20,415,513.60-30,591,777.60-17,707,132.80

Finding the Fourth Proportional to 20,415,513.60, 30,591,777.60 and 17,707,132.80

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Solution

The fourth proportional to 20,415,513.60, 30,591,777.60 and 17,707,132.80 is: 26,533,384.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,415,513.60 : 30,591,777.60 = 17,707,132.80 : x
  2. Step 2: Convert to fraction form
    20,415,513.60/30,591,777.60 = 17,707,132.80/x
  3. Step 3: Cross multiply
    20,415,513.60x = 30,591,777.60 × 17,707,132.80
  4. Step 4: Simplify right side
    20,415,513.60x = 541,692,668,551,265.31
  5. Step 5: Solve for x
    x = 541,692,668,551,265.31/20,415,513.60
  6. Step 6: Final answer
    x = 26,533,384.33

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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.