Home / 21,505,264.80-32,257,897.20-8,040,343.20

Finding the Fourth Proportional to 21,505,264.80, 32,257,897.20 and 8,040,343.20

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Solution

The fourth proportional to 21,505,264.80, 32,257,897.20 and 8,040,343.20 is: 12,060,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505,264.80 : 32,257,897.20 = 8,040,343.20 : x
  2. Step 2: Convert to fraction form
    21,505,264.80/32,257,897.20 = 8,040,343.20/x
  3. Step 3: Cross multiply
    21,505,264.80x = 32,257,897.20 × 8,040,343.20
  4. Step 4: Simplify right side
    21,505,264.80x = 259,364,564,398,319.03
  5. Step 5: Solve for x
    x = 259,364,564,398,319.03/21,505,264.80
  6. Step 6: Final answer
    x = 12,060,514.80

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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.