Home / 20,115,231.44-30,177,345.04-7,335,736.16

Finding the Fourth Proportional to 20,115,231.44, 30,177,345.04 and 7,335,736.16

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Solution

The fourth proportional to 20,115,231.44, 30,177,345.04 and 7,335,736.16 is: 11,005,244.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,115,231.44 : 30,177,345.04 = 7,335,736.16 : x
  2. Step 2: Convert to fraction form
    20,115,231.44/30,177,345.04 = 7,335,736.16/x
  3. Step 3: Cross multiply
    20,115,231.44x = 30,177,345.04 × 7,335,736.16
  4. Step 4: Simplify right side
    20,115,231.44x = 221,373,041,053,498.59
  5. Step 5: Solve for x
    x = 221,373,041,053,498.59/20,115,231.44
  6. Step 6: Final answer
    x = 11,005,244.55

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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.