Home / 13,149,761.60-18,146,618.52-7,348,541.60

Finding the Fourth Proportional to 13,149,761.60, 18,146,618.52 and 7,348,541.60

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Solution

The fourth proportional to 13,149,761.60, 18,146,618.52 and 7,348,541.60 is: 10,140,958.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149,761.60 : 18,146,618.52 = 7,348,541.60 : x
  2. Step 2: Convert to fraction form
    13,149,761.60/18,146,618.52 = 7,348,541.60/x
  3. Step 3: Cross multiply
    13,149,761.60x = 18,146,618.52 × 7,348,541.60
  4. Step 4: Simplify right side
    13,149,761.60x = 133,351,181,093,550.42
  5. Step 5: Solve for x
    x = 133,351,181,093,550.42/13,149,761.60
  6. Step 6: Final answer
    x = 10,140,958.08

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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.