Home / 12,343,590.24-18,518,340.24-5,151,122.88

Finding the Fourth Proportional to 12,343,590.24, 18,518,340.24 and 5,151,122.88

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Solution

The fourth proportional to 12,343,590.24, 18,518,340.24 and 5,151,122.88 is: 7,727,917.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343,590.24 : 18,518,340.24 = 5,151,122.88 : x
  2. Step 2: Convert to fraction form
    12,343,590.24/18,518,340.24 = 5,151,122.88/x
  3. Step 3: Cross multiply
    12,343,590.24x = 18,518,340.24 × 5,151,122.88
  4. Step 4: Simplify right side
    12,343,590.24x = 95,390,246,109,888.69
  5. Step 5: Solve for x
    x = 95,390,246,109,888.69/12,343,590.24
  6. Step 6: Final answer
    x = 7,727,917.43

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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.