Home / 12,618,480.93-18,920,140.43-4,932,971.97

Finding the Fourth Proportional to 12,618,480.93, 18,920,140.43 and 4,932,971.97

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Solution

The fourth proportional to 12,618,480.93, 18,920,140.43 and 4,932,971.97 is: 7,396,494.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618,480.93 : 18,920,140.43 = 4,932,971.97 : x
  2. Step 2: Convert to fraction form
    12,618,480.93/18,920,140.43 = 4,932,971.97/x
  3. Step 3: Cross multiply
    12,618,480.93x = 18,920,140.43 × 4,932,971.97
  4. Step 4: Simplify right side
    12,618,480.93x = 93,332,522,384,988.89
  5. Step 5: Solve for x
    x = 93,332,522,384,988.89/12,618,480.93
  6. Step 6: Final answer
    x = 7,396,494.31

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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.