Home / 21,576,425.22-29,776,375.17-12,409,078.50

Finding the Fourth Proportional to 21,576,425.22, 29,776,375.17 and 12,409,078.50

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Solution

The fourth proportional to 21,576,425.22, 29,776,375.17 and 12,409,078.50 is: 17,125,050.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576,425.22 : 29,776,375.17 = 12,409,078.50 : x
  2. Step 2: Convert to fraction form
    21,576,425.22/29,776,375.17 = 12,409,078.50/x
  3. Step 3: Cross multiply
    21,576,425.22x = 29,776,375.17 × 12,409,078.50
  4. Step 4: Simplify right side
    21,576,425.22x = 369,497,376,929,980.88
  5. Step 5: Solve for x
    x = 369,497,376,929,980.88/21,576,425.22
  6. Step 6: Final answer
    x = 17,125,050.75

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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.