Home / 18,976,685.12-26,187,837.82-10,274,863.63

Finding the Fourth Proportional to 18,976,685.12, 26,187,837.82 and 10,274,863.63

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Solution

The fourth proportional to 18,976,685.12, 26,187,837.82 and 10,274,863.63 is: 14,179,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976,685.12 : 26,187,837.82 = 10,274,863.63 : x
  2. Step 2: Convert to fraction form
    18,976,685.12/26,187,837.82 = 10,274,863.63/x
  3. Step 3: Cross multiply
    18,976,685.12x = 26,187,837.82 × 10,274,863.63
  4. Step 4: Simplify right side
    18,976,685.12x = 269,076,462,234,117.31
  5. Step 5: Solve for x
    x = 269,076,462,234,117.31/18,976,685.12
  6. Step 6: Final answer
    x = 14,179,318.49

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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.