Home / 13,211,092.48-18,229,849.92-7,408,680.16

Finding the Fourth Proportional to 13,211,092.48, 18,229,849.92 and 7,408,680.16

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Solution

The fourth proportional to 13,211,092.48, 18,229,849.92 and 7,408,680.16 is: 10,223,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211,092.48 : 18,229,849.92 = 7,408,680.16 : x
  2. Step 2: Convert to fraction form
    13,211,092.48/18,229,849.92 = 7,408,680.16/x
  3. Step 3: Cross multiply
    13,211,092.48x = 18,229,849.92 × 7,408,680.16
  4. Step 4: Simplify right side
    13,211,092.48x = 135,059,127,422,081.61
  5. Step 5: Solve for x
    x = 135,059,127,422,081.61/13,211,092.48
  6. Step 6: Final answer
    x = 10,223,161.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.