Home / 14,761,604.30-20,352,915.78-12,138,943.10

Finding the Fourth Proportional to 14,761,604.30, 20,352,915.78 and 12,138,943.10

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Solution

The fourth proportional to 14,761,604.30, 20,352,915.78 and 12,138,943.10 is: 16,736,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,761,604.30 : 20,352,915.78 = 12,138,943.10 : x
  2. Step 2: Convert to fraction form
    14,761,604.30/20,352,915.78 = 12,138,943.10/x
  3. Step 3: Cross multiply
    14,761,604.30x = 20,352,915.78 × 12,138,943.10
  4. Step 4: Simplify right side
    14,761,604.30x = 247,062,886,572,512.12
  5. Step 5: Solve for x
    x = 247,062,886,572,512.12/14,761,604.30
  6. Step 6: Final answer
    x = 16,736,858.78

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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.