Home / 13,030,449.60-19,548,007.20-5,458,180.80

Finding the Fourth Proportional to 13,030,449.60, 19,548,007.20 and 5,458,180.80

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Solution

The fourth proportional to 13,030,449.60, 19,548,007.20 and 5,458,180.80 is: 8,188,248.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030,449.60 : 19,548,007.20 = 5,458,180.80 : x
  2. Step 2: Convert to fraction form
    13,030,449.60/19,548,007.20 = 5,458,180.80/x
  3. Step 3: Cross multiply
    13,030,449.60x = 19,548,007.20 × 5,458,180.80
  4. Step 4: Simplify right side
    13,030,449.60x = 106,696,557,577,301.75
  5. Step 5: Solve for x
    x = 106,696,557,577,301.75/13,030,449.60
  6. Step 6: Final answer
    x = 8,188,248.36

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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.