Home / 13,200,531.20-19,800,812.32-3,615,992.32

Finding the Fourth Proportional to 13,200,531.20, 19,800,812.32 and 3,615,992.32

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Solution

The fourth proportional to 13,200,531.20, 19,800,812.32 and 3,615,992.32 is: 5,423,992.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200,531.20 : 19,800,812.32 = 3,615,992.32 : x
  2. Step 2: Convert to fraction form
    13,200,531.20/19,800,812.32 = 3,615,992.32/x
  3. Step 3: Cross multiply
    13,200,531.20x = 19,800,812.32 × 3,615,992.32
  4. Step 4: Simplify right side
    13,200,531.20x = 71,599,585,278,881.38
  5. Step 5: Solve for x
    x = 71,599,585,278,881.38/13,200,531.20
  6. Step 6: Final answer
    x = 5,423,992.73

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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.