Home / 22,390,915.46-30,908,997.36-15,053,004.56

Finding the Fourth Proportional to 22,390,915.46, 30,908,997.36 and 15,053,004.56

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Solution

The fourth proportional to 22,390,915.46, 30,908,997.36 and 15,053,004.56 is: 20,779,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,390,915.46 : 30,908,997.36 = 15,053,004.56 : x
  2. Step 2: Convert to fraction form
    22,390,915.46/30,908,997.36 = 15,053,004.56/x
  3. Step 3: Cross multiply
    22,390,915.46x = 30,908,997.36 × 15,053,004.56
  4. Step 4: Simplify right side
    22,390,915.46x = 465,273,278,282,380.44
  5. Step 5: Solve for x
    x = 465,273,278,282,380.44/22,390,915.46
  6. Step 6: Final answer
    x = 20,779,555.85

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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.