Home / 6,781,108.52-10,171,746.83-1,988,896.70

Finding the Fourth Proportional to 6,781,108.52, 10,171,746.83 and 1,988,896.70

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Solution

The fourth proportional to 6,781,108.52, 10,171,746.83 and 1,988,896.70 is: 2,983,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781,108.52 : 10,171,746.83 = 1,988,896.70 : x
  2. Step 2: Convert to fraction form
    6,781,108.52/10,171,746.83 = 1,988,896.70/x
  3. Step 3: Cross multiply
    6,781,108.52x = 10,171,746.83 × 1,988,896.70
  4. Step 4: Simplify right side
    6,781,108.52x = 20,230,553,733,824.07
  5. Step 5: Solve for x
    x = 20,230,553,733,824.07/6,781,108.52
  6. Step 6: Final answer
    x = 2,983,369.71

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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.