Home / 18,400,642.92-25,393,060.80-10,141,003.08

Finding the Fourth Proportional to 18,400,642.92, 25,393,060.80 and 10,141,003.08

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Solution

The fourth proportional to 18,400,642.92, 25,393,060.80 and 10,141,003.08 is: 13,994,679.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400,642.92 : 25,393,060.80 = 10,141,003.08 : x
  2. Step 2: Convert to fraction form
    18,400,642.92/25,393,060.80 = 10,141,003.08/x
  3. Step 3: Cross multiply
    18,400,642.92x = 25,393,060.80 × 10,141,003.08
  4. Step 4: Simplify right side
    18,400,642.92x = 257,511,107,783,427.28
  5. Step 5: Solve for x
    x = 257,511,107,783,427.28/18,400,642.92
  6. Step 6: Final answer
    x = 13,994,679.91

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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.