Home / 18,979,042.98-26,191,032-10,277,215.04

Finding the Fourth Proportional to 18,979,042.98, 26,191,032 and 10,277,215.04

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Solution

The fourth proportional to 18,979,042.98, 26,191,032 and 10,277,215.04 is: 14,182,531.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,042.98 : 26,191,032 = 10,277,215.04 : x
  2. Step 2: Convert to fraction form
    18,979,042.98/26,191,032 = 10,277,215.04/x
  3. Step 3: Cross multiply
    18,979,042.98x = 26,191,032 × 10,277,215.04
  4. Step 4: Simplify right side
    18,979,042.98x = 269,170,867,983,521.25
  5. Step 5: Solve for x
    x = 269,170,867,983,521.25/18,979,042.98
  6. Step 6: Final answer
    x = 14,182,531.14

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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.