Home / 12,307,947.98-16,985,990.97-6,802,397.82

Finding the Fourth Proportional to 12,307,947.98, 16,985,990.97 and 6,802,397.82

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Solution

The fourth proportional to 12,307,947.98, 16,985,990.97 and 6,802,397.82 is: 9,387,874.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307,947.98 : 16,985,990.97 = 6,802,397.82 : x
  2. Step 2: Convert to fraction form
    12,307,947.98/16,985,990.97 = 6,802,397.82/x
  3. Step 3: Cross multiply
    12,307,947.98x = 16,985,990.97 × 6,802,397.82
  4. Step 4: Simplify right side
    12,307,947.98x = 115,545,467,944,867.69
  5. Step 5: Solve for x
    x = 115,545,467,944,867.69/12,307,947.98
  6. Step 6: Final answer
    x = 9,387,874.26

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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.