Home / 15,605,080.20-23,407,620.30-12,917,694.60

Finding the Fourth Proportional to 15,605,080.20, 23,407,620.30 and 12,917,694.60

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Solution

The fourth proportional to 15,605,080.20, 23,407,620.30 and 12,917,694.60 is: 19,376,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605,080.20 : 23,407,620.30 = 12,917,694.60 : x
  2. Step 2: Convert to fraction form
    15,605,080.20/23,407,620.30 = 12,917,694.60/x
  3. Step 3: Cross multiply
    15,605,080.20x = 23,407,620.30 × 12,917,694.60
  4. Step 4: Simplify right side
    15,605,080.20x = 302,372,490,348,160.38
  5. Step 5: Solve for x
    x = 302,372,490,348,160.38/15,605,080.20
  6. Step 6: Final answer
    x = 19,376,541.90

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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.