Home / 12,618,485.60-18,920,147.47-4,932,976.66

Finding the Fourth Proportional to 12,618,485.60, 18,920,147.47 and 4,932,976.66

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Solution

The fourth proportional to 12,618,485.60, 18,920,147.47 and 4,932,976.66 is: 7,396,501.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618,485.60 : 18,920,147.47 = 4,932,976.66 : x
  2. Step 2: Convert to fraction form
    12,618,485.60/18,920,147.47 = 4,932,976.66/x
  3. Step 3: Cross multiply
    12,618,485.60x = 18,920,147.47 × 4,932,976.66
  4. Step 4: Simplify right side
    12,618,485.60x = 93,332,645,813,635.23
  5. Step 5: Solve for x
    x = 93,332,645,813,635.23/12,618,485.60
  6. Step 6: Final answer
    x = 7,396,501.36

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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.