Home / 15,147,557.85-20,889,440.53-12,060,272.49

Finding the Fourth Proportional to 15,147,557.85, 20,889,440.53 and 12,060,272.49

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Solution

The fourth proportional to 15,147,557.85, 20,889,440.53 and 12,060,272.49 is: 16,631,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147,557.85 : 20,889,440.53 = 12,060,272.49 : x
  2. Step 2: Convert to fraction form
    15,147,557.85/20,889,440.53 = 12,060,272.49/x
  3. Step 3: Cross multiply
    15,147,557.85x = 20,889,440.53 × 12,060,272.49
  4. Step 4: Simplify right side
    15,147,557.85x = 251,932,344,846,963.94
  5. Step 5: Solve for x
    x = 251,932,344,846,963.94/15,147,557.85
  6. Step 6: Final answer
    x = 16,631,878.70

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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.