Home / 31,617,143.81-43,614,828.42-19,231,025.57

Finding the Fourth Proportional to 31,617,143.81, 43,614,828.42 and 19,231,025.57

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Solution

The fourth proportional to 31,617,143.81, 43,614,828.42 and 19,231,025.57 is: 26,528,578.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,617,143.81 : 43,614,828.42 = 19,231,025.57 : x
  2. Step 2: Convert to fraction form
    31,617,143.81/43,614,828.42 = 19,231,025.57/x
  3. Step 3: Cross multiply
    31,617,143.81x = 43,614,828.42 × 19,231,025.57
  4. Step 4: Simplify right side
    31,617,143.81x = 838,757,880,557,722.38
  5. Step 5: Solve for x
    x = 838,757,880,557,722.38/31,617,143.81
  6. Step 6: Final answer
    x = 26,528,578.47

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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.