Home / 12,646,935.13-18,972,212.30-3,893,954.30

Finding the Fourth Proportional to 12,646,935.13, 18,972,212.30 and 3,893,954.30

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Solution

The fourth proportional to 12,646,935.13, 18,972,212.30 and 3,893,954.30 is: 5,841,488.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,646,935.13 : 18,972,212.30 = 3,893,954.30 : x
  2. Step 2: Convert to fraction form
    12,646,935.13/18,972,212.30 = 3,893,954.30/x
  3. Step 3: Cross multiply
    12,646,935.13x = 18,972,212.30 × 3,893,954.30
  4. Step 4: Simplify right side
    12,646,935.13x = 73,876,927,666,097.89
  5. Step 5: Solve for x
    x = 73,876,927,666,097.89/12,646,935.13
  6. Step 6: Final answer
    x = 5,841,488.62

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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.