Home / 12,798,906.66-17,662,152.06-7,572,184.43

Finding the Fourth Proportional to 12,798,906.66, 17,662,152.06 and 7,572,184.43

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Solution

The fourth proportional to 12,798,906.66, 17,662,152.06 and 7,572,184.43 is: 10,449,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798,906.66 : 17,662,152.06 = 7,572,184.43 : x
  2. Step 2: Convert to fraction form
    12,798,906.66/17,662,152.06 = 7,572,184.43/x
  3. Step 3: Cross multiply
    12,798,906.66x = 17,662,152.06 × 7,572,184.43
  4. Step 4: Simplify right side
    12,798,906.66x = 133,741,072,740,713.66
  5. Step 5: Solve for x
    x = 133,741,072,740,713.66/12,798,906.66
  6. Step 6: Final answer
    x = 10,449,413.87

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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.