Home / 18,232,891.20-27,345,400.20-7,997,731.20

Finding the Fourth Proportional to 18,232,891.20, 27,345,400.20 and 7,997,731.20

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Solution

The fourth proportional to 18,232,891.20, 27,345,400.20 and 7,997,731.20 is: 11,994,870.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,232,891.20 : 27,345,400.20 = 7,997,731.20 : x
  2. Step 2: Convert to fraction form
    18,232,891.20/27,345,400.20 = 7,997,731.20/x
  3. Step 3: Cross multiply
    18,232,891.20x = 27,345,400.20 × 7,997,731.20
  4. Step 4: Simplify right side
    18,232,891.20x = 218,701,160,356,026.25
  5. Step 5: Solve for x
    x = 218,701,160,356,026.25/18,232,891.20
  6. Step 6: Final answer
    x = 11,994,870.04

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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.