Home / 15,234,388.90-22,836,445.35-7,638,170.02

Finding the Fourth Proportional to 15,234,388.90, 22,836,445.35 and 7,638,170.02

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Solution

The fourth proportional to 15,234,388.90, 22,836,445.35 and 7,638,170.02 is: 11,449,665.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,234,388.90 : 22,836,445.35 = 7,638,170.02 : x
  2. Step 2: Convert to fraction form
    15,234,388.90/22,836,445.35 = 7,638,170.02/x
  3. Step 3: Cross multiply
    15,234,388.90x = 22,836,445.35 × 7,638,170.02
  4. Step 4: Simplify right side
    15,234,388.90x = 174,428,652,235,738.41
  5. Step 5: Solve for x
    x = 174,428,652,235,738.41/15,234,388.90
  6. Step 6: Final answer
    x = 11,449,665.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.