Home / 12,618,268.40-18,919,822.52-4,932,759.65

Finding the Fourth Proportional to 12,618,268.40, 18,919,822.52 and 4,932,759.65

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Solution

The fourth proportional to 12,618,268.40, 18,919,822.52 and 4,932,759.65 is: 7,396,176.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618,268.40 : 18,919,822.52 = 4,932,759.65 : x
  2. Step 2: Convert to fraction form
    12,618,268.40/18,919,822.52 = 4,932,759.65/x
  3. Step 3: Cross multiply
    12,618,268.40x = 18,919,822.52 × 4,932,759.65
  4. Step 4: Simplify right side
    12,618,268.40x = 93,326,937,059,647.97
  5. Step 5: Solve for x
    x = 93,326,937,059,647.97/12,618,268.40
  6. Step 6: Final answer
    x = 7,396,176.25

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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.