Home / 20,455,772.46-30,662,088.66-6,805,272.84

Finding the Fourth Proportional to 20,455,772.46, 30,662,088.66 and 6,805,272.84

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Solution

The fourth proportional to 20,455,772.46, 30,662,088.66 and 6,805,272.84 is: 10,200,733.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,772.46 : 30,662,088.66 = 6,805,272.84 : x
  2. Step 2: Convert to fraction form
    20,455,772.46/30,662,088.66 = 6,805,272.84/x
  3. Step 3: Cross multiply
    20,455,772.46x = 30,662,088.66 × 6,805,272.84
  4. Step 4: Simplify right side
    20,455,772.46x = 208,663,879,175,570
  5. Step 5: Solve for x
    x = 208,663,879,175,570/20,455,772.46
  6. Step 6: Final answer
    x = 10,200,733.29

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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.