Home / 20,414,532.60-30,621,798.90-13,612,087.80

Finding the Fourth Proportional to 20,414,532.60, 30,621,798.90 and 13,612,087.80

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Solution

The fourth proportional to 20,414,532.60, 30,621,798.90 and 13,612,087.80 is: 20,418,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414,532.60 : 30,621,798.90 = 13,612,087.80 : x
  2. Step 2: Convert to fraction form
    20,414,532.60/30,621,798.90 = 13,612,087.80/x
  3. Step 3: Cross multiply
    20,414,532.60x = 30,621,798.90 × 13,612,087.80
  4. Step 4: Simplify right side
    20,414,532.60x = 416,826,615,220,743.44
  5. Step 5: Solve for x
    x = 416,826,615,220,743.44/20,414,532.60
  6. Step 6: Final answer
    x = 20,418,131.70

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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.