Home / 12,979,963.98-17,917,865.63-8,087,603.26

Finding the Fourth Proportional to 12,979,963.98, 17,917,865.63 and 8,087,603.26

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Solution

The fourth proportional to 12,979,963.98, 17,917,865.63 and 8,087,603.26 is: 11,164,329.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,963.98 : 17,917,865.63 = 8,087,603.26 : x
  2. Step 2: Convert to fraction form
    12,979,963.98/17,917,865.63 = 8,087,603.26/x
  3. Step 3: Cross multiply
    12,979,963.98x = 17,917,865.63 × 8,087,603.26
  4. Step 4: Simplify right side
    12,979,963.98x = 144,912,588,481,429.94
  5. Step 5: Solve for x
    x = 144,912,588,481,429.94/12,979,963.98
  6. Step 6: Final answer
    x = 11,164,329.02

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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.