Home / 20,854,056.92-31,285,981.38-6,476,382.68

Finding the Fourth Proportional to 20,854,056.92, 31,285,981.38 and 6,476,382.68

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Solution

The fourth proportional to 20,854,056.92, 31,285,981.38 and 6,476,382.68 is: 9,716,094.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,854,056.92 : 31,285,981.38 = 6,476,382.68 : x
  2. Step 2: Convert to fraction form
    20,854,056.92/31,285,981.38 = 6,476,382.68/x
  3. Step 3: Cross multiply
    20,854,056.92x = 31,285,981.38 × 6,476,382.68
  4. Step 4: Simplify right side
    20,854,056.92x = 202,619,987,936,234.47
  5. Step 5: Solve for x
    x = 202,619,987,936,234.47/20,854,056.92
  6. Step 6: Final answer
    x = 9,716,094.51

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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.