Home / 12,646,930.13-18,972,204.80-3,893,949.30

Finding the Fourth Proportional to 12,646,930.13, 18,972,204.80 and 3,893,949.30

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Solution

The fourth proportional to 12,646,930.13, 18,972,204.80 and 3,893,949.30 is: 5,841,481.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,646,930.13 : 18,972,204.80 = 3,893,949.30 : x
  2. Step 2: Convert to fraction form
    12,646,930.13/18,972,204.80 = 3,893,949.30/x
  3. Step 3: Cross multiply
    12,646,930.13x = 18,972,204.80 × 3,893,949.30
  4. Step 4: Simplify right side
    12,646,930.13x = 73,876,803,580,946.89
  5. Step 5: Solve for x
    x = 73,876,803,580,946.89/12,646,930.13
  6. Step 6: Final answer
    x = 5,841,481.12

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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.