Home / 12,408,888.16-18,613,304.16-5,912,243.20

Finding the Fourth Proportional to 12,408,888.16, 18,613,304.16 and 5,912,243.20

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Solution

The fourth proportional to 12,408,888.16, 18,613,304.16 and 5,912,243.20 is: 8,868,351.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,408,888.16 : 18,613,304.16 = 5,912,243.20 : x
  2. Step 2: Convert to fraction form
    12,408,888.16/18,613,304.16 = 5,912,243.20/x
  3. Step 3: Cross multiply
    12,408,888.16x = 18,613,304.16 × 5,912,243.20
  4. Step 4: Simplify right side
    12,408,888.16x = 110,046,380,949,491.72
  5. Step 5: Solve for x
    x = 110,046,380,949,491.72/12,408,888.16
  6. Step 6: Final answer
    x = 8,868,351.42

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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.