Home / 13,458,023.76-18,571,833.18-7,656,680.64

Finding the Fourth Proportional to 13,458,023.76, 18,571,833.18 and 7,656,680.64

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Solution

The fourth proportional to 13,458,023.76, 18,571,833.18 and 7,656,680.64 is: 10,566,082.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458,023.76 : 18,571,833.18 = 7,656,680.64 : x
  2. Step 2: Convert to fraction form
    13,458,023.76/18,571,833.18 = 7,656,680.64/x
  3. Step 3: Cross multiply
    13,458,023.76x = 18,571,833.18 × 7,656,680.64
  4. Step 4: Simplify right side
    13,458,023.76x = 142,198,595,558,615.62
  5. Step 5: Solve for x
    x = 142,198,595,558,615.62/13,458,023.76
  6. Step 6: Final answer
    x = 10,566,082.96

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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.