Home / 15,539,181.80-21,443,067.78-8,663,253.80

Finding the Fourth Proportional to 15,539,181.80, 21,443,067.78 and 8,663,253.80

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Solution

The fourth proportional to 15,539,181.80, 21,443,067.78 and 8,663,253.80 is: 11,954,731.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539,181.80 : 21,443,067.78 = 8,663,253.80 : x
  2. Step 2: Convert to fraction form
    15,539,181.80/21,443,067.78 = 8,663,253.80/x
  3. Step 3: Cross multiply
    15,539,181.80x = 21,443,067.78 × 8,663,253.80
  4. Step 4: Simplify right side
    15,539,181.80x = 185,766,738,428,742.59
  5. Step 5: Solve for x
    x = 185,766,738,428,742.59/15,539,181.80
  6. Step 6: Final answer
    x = 11,954,731.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.