Home / 15,053,954.72-20,772,958.48-8,526,281.12

Finding the Fourth Proportional to 15,053,954.72, 20,772,958.48 and 8,526,281.12

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Solution

The fourth proportional to 15,053,954.72, 20,772,958.48 and 8,526,281.12 is: 11,765,418.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,053,954.72 : 20,772,958.48 = 8,526,281.12 : x
  2. Step 2: Convert to fraction form
    15,053,954.72/20,772,958.48 = 8,526,281.12/x
  3. Step 3: Cross multiply
    15,053,954.72x = 20,772,958.48 × 8,526,281.12
  4. Step 4: Simplify right side
    15,053,954.72x = 177,116,083,694,567.88
  5. Step 5: Solve for x
    x = 177,116,083,694,567.88/15,053,954.72
  6. Step 6: Final answer
    x = 11,765,418.92

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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.