Home / 21,575,512.40-32,375,710.20-8,121,995.60

Finding the Fourth Proportional to 21,575,512.40, 32,375,710.20 and 8,121,995.60

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Solution

The fourth proportional to 21,575,512.40, 32,375,710.20 and 8,121,995.60 is: 12,187,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575,512.40 : 32,375,710.20 = 8,121,995.60 : x
  2. Step 2: Convert to fraction form
    21,575,512.40/32,375,710.20 = 8,121,995.60/x
  3. Step 3: Cross multiply
    21,575,512.40x = 32,375,710.20 × 8,121,995.60
  4. Step 4: Simplify right side
    21,575,512.40x = 262,955,375,791,275.09
  5. Step 5: Solve for x
    x = 262,955,375,791,275.09/21,575,512.40
  6. Step 6: Final answer
    x = 12,187,676.98

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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.