Home / 21,366,078.40-32,049,117.60-20,433,104.20

Finding the Fourth Proportional to 21,366,078.40, 32,049,117.60 and 20,433,104.20

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Solution

The fourth proportional to 21,366,078.40, 32,049,117.60 and 20,433,104.20 is: 30,649,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,366,078.40 : 32,049,117.60 = 20,433,104.20 : x
  2. Step 2: Convert to fraction form
    21,366,078.40/32,049,117.60 = 20,433,104.20/x
  3. Step 3: Cross multiply
    21,366,078.40x = 32,049,117.60 × 20,433,104.20
  4. Step 4: Simplify right side
    21,366,078.40x = 654,862,959,438,853.88
  5. Step 5: Solve for x
    x = 654,862,959,438,853.88/21,366,078.40
  6. Step 6: Final answer
    x = 30,649,656.30

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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.