Home / 21,647,687.60-32,471,531.40-6,499,650.80

Finding the Fourth Proportional to 21,647,687.60, 32,471,531.40 and 6,499,650.80

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Solution

The fourth proportional to 21,647,687.60, 32,471,531.40 and 6,499,650.80 is: 9,749,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,647,687.60 : 32,471,531.40 = 6,499,650.80 : x
  2. Step 2: Convert to fraction form
    21,647,687.60/32,471,531.40 = 6,499,650.80/x
  3. Step 3: Cross multiply
    21,647,687.60x = 32,471,531.40 × 6,499,650.80
  4. Step 4: Simplify right side
    21,647,687.60x = 211,053,615,041,235.09
  5. Step 5: Solve for x
    x = 211,053,615,041,235.09/21,647,687.60
  6. Step 6: Final answer
    x = 9,749,476.20

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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.