Home / 31,680,327.11-43,718,869.19-17,193,639.11

Finding the Fourth Proportional to 31,680,327.11, 43,718,869.19 and 17,193,639.11

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Solution

The fourth proportional to 31,680,327.11, 43,718,869.19 and 17,193,639.11 is: 23,727,231.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,680,327.11 : 43,718,869.19 = 17,193,639.11 : x
  2. Step 2: Convert to fraction form
    31,680,327.11/43,718,869.19 = 17,193,639.11/x
  3. Step 3: Cross multiply
    31,680,327.11x = 43,718,869.19 × 17,193,639.11
  4. Step 4: Simplify right side
    31,680,327.11x = 751,686,458,974,547.88
  5. Step 5: Solve for x
    x = 751,686,458,974,547.88/31,680,327.11
  6. Step 6: Final answer
    x = 23,727,231.62

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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.