Home / 31,053,479.92-42,853,968.46-17,821,601.70

Finding the Fourth Proportional to 31,053,479.92, 42,853,968.46 and 17,821,601.70

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Solution

The fourth proportional to 31,053,479.92, 42,853,968.46 and 17,821,601.70 is: 24,593,905.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,053,479.92 : 42,853,968.46 = 17,821,601.70 : x
  2. Step 2: Convert to fraction form
    31,053,479.92/42,853,968.46 = 17,821,601.70/x
  3. Step 3: Cross multiply
    31,053,479.92x = 42,853,968.46 × 17,821,601.70
  4. Step 4: Simplify right side
    31,053,479.92x = 763,726,357,113,928.38
  5. Step 5: Solve for x
    x = 763,726,357,113,928.38/31,053,479.92
  6. Step 6: Final answer
    x = 24,593,905.71

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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.