Home / 13,428,336.96-20,131,541.28-6,244,362.72

Finding the Fourth Proportional to 13,428,336.96, 20,131,541.28 and 6,244,362.72

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Solution

The fourth proportional to 13,428,336.96, 20,131,541.28 and 6,244,362.72 is: 9,361,445.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,336.96 : 20,131,541.28 = 6,244,362.72 : x
  2. Step 2: Convert to fraction form
    13,428,336.96/20,131,541.28 = 6,244,362.72/x
  3. Step 3: Cross multiply
    13,428,336.96x = 20,131,541.28 × 6,244,362.72
  4. Step 4: Simplify right side
    13,428,336.96x = 125,708,645,864,973.08
  5. Step 5: Solve for x
    x = 125,708,645,864,973.08/13,428,336.96
  6. Step 6: Final answer
    x = 9,361,445.59

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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.