Home / 21,270,800.97-31,899,508.70-6,890,532.39

Finding the Fourth Proportional to 21,270,800.97, 31,899,508.70 and 6,890,532.39

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Solution

The fourth proportional to 21,270,800.97, 31,899,508.70 and 6,890,532.39 is: 10,333,630.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,270,800.97 : 31,899,508.70 = 6,890,532.39 : x
  2. Step 2: Convert to fraction form
    21,270,800.97/31,899,508.70 = 6,890,532.39/x
  3. Step 3: Cross multiply
    21,270,800.97x = 31,899,508.70 × 6,890,532.39
  4. Step 4: Simplify right side
    21,270,800.97x = 219,804,597,887,984.12
  5. Step 5: Solve for x
    x = 219,804,597,887,984.12/21,270,800.97
  6. Step 6: Final answer
    x = 10,333,630.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.