Home / 12,048,449.24-18,027,501.78-7,172,922.44

Finding the Fourth Proportional to 12,048,449.24, 18,027,501.78 and 7,172,922.44

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Solution

The fourth proportional to 12,048,449.24, 18,027,501.78 and 7,172,922.44 is: 10,732,490.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048,449.24 : 18,027,501.78 = 7,172,922.44 : x
  2. Step 2: Convert to fraction form
    12,048,449.24/18,027,501.78 = 7,172,922.44/x
  3. Step 3: Cross multiply
    12,048,449.24x = 18,027,501.78 × 7,172,922.44
  4. Step 4: Simplify right side
    12,048,449.24x = 129,309,872,054,901.95
  5. Step 5: Solve for x
    x = 129,309,872,054,901.95/12,048,449.24
  6. Step 6: Final answer
    x = 10,732,490.92

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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.