Home / 12,340,992.16-18,523,429.20-5,955,739.36

Finding the Fourth Proportional to 12,340,992.16, 18,523,429.20 and 5,955,739.36

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Solution

The fourth proportional to 12,340,992.16, 18,523,429.20 and 5,955,739.36 is: 8,939,371.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340,992.16 : 18,523,429.20 = 5,955,739.36 : x
  2. Step 2: Convert to fraction form
    12,340,992.16/18,523,429.20 = 5,955,739.36/x
  3. Step 3: Cross multiply
    12,340,992.16x = 18,523,429.20 × 5,955,739.36
  4. Step 4: Simplify right side
    12,340,992.16x = 110,320,716,368,613.31
  5. Step 5: Solve for x
    x = 110,320,716,368,613.31/12,340,992.16
  6. Step 6: Final answer
    x = 8,939,371.72

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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.