Home / 12,979,753.23-17,917,574.91-8,087,392.49

Finding the Fourth Proportional to 12,979,753.23, 17,917,574.91 and 8,087,392.49

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Solution

The fourth proportional to 12,979,753.23, 17,917,574.91 and 8,087,392.49 is: 11,164,038.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,753.23 : 17,917,574.91 = 8,087,392.49 : x
  2. Step 2: Convert to fraction form
    12,979,753.23/17,917,574.91 = 8,087,392.49/x
  3. Step 3: Cross multiply
    12,979,753.23x = 17,917,574.91 × 8,087,392.49
  4. Step 4: Simplify right side
    12,979,753.23x = 144,906,460,766,146.44
  5. Step 5: Solve for x
    x = 144,906,460,766,146.44/12,979,753.23
  6. Step 6: Final answer
    x = 11,164,038.19

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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.