Home / 39,728,323.59-59,560,326.72-12,420,559.95

Finding the Fourth Proportional to 39,728,323.59, 59,560,326.72 and 12,420,559.95

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Solution

The fourth proportional to 39,728,323.59, 59,560,326.72 and 12,420,559.95 is: 18,620,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,728,323.59 : 59,560,326.72 = 12,420,559.95 : x
  2. Step 2: Convert to fraction form
    39,728,323.59/59,560,326.72 = 12,420,559.95/x
  3. Step 3: Cross multiply
    39,728,323.59x = 59,560,326.72 × 12,420,559.95
  4. Step 4: Simplify right side
    39,728,323.59x = 739,772,608,667,346.75
  5. Step 5: Solve for x
    x = 739,772,608,667,346.75/39,728,323.59
  6. Step 6: Final answer
    x = 18,620,785.92

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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.