Home / 21,331,892.19-29,441,843.25-12,042,293.79

Finding the Fourth Proportional to 21,331,892.19, 29,441,843.25 and 12,042,293.79

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Solution

The fourth proportional to 21,331,892.19, 29,441,843.25 and 12,042,293.79 is: 16,620,528.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331,892.19 : 29,441,843.25 = 12,042,293.79 : x
  2. Step 2: Convert to fraction form
    21,331,892.19/29,441,843.25 = 12,042,293.79/x
  3. Step 3: Cross multiply
    21,331,892.19x = 29,441,843.25 × 12,042,293.79
  4. Step 4: Simplify right side
    21,331,892.19x = 354,547,326,135,628.38
  5. Step 5: Solve for x
    x = 354,547,326,135,628.38/21,331,892.19
  6. Step 6: Final answer
    x = 16,620,528.69

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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.