Home / 13,452,033.20-20,178,049.80-12,708,015.80

Finding the Fourth Proportional to 13,452,033.20, 20,178,049.80 and 12,708,015.80

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Solution

The fourth proportional to 13,452,033.20, 20,178,049.80 and 12,708,015.80 is: 19,062,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,033.20 : 20,178,049.80 = 12,708,015.80 : x
  2. Step 2: Convert to fraction form
    13,452,033.20/20,178,049.80 = 12,708,015.80/x
  3. Step 3: Cross multiply
    13,452,033.20x = 20,178,049.80 × 12,708,015.80
  4. Step 4: Simplify right side
    13,452,033.20x = 256,422,975,671,586.88
  5. Step 5: Solve for x
    x = 256,422,975,671,586.88/13,452,033.20
  6. Step 6: Final answer
    x = 19,062,023.70

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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.