Home / 6,971,142.60-10,456,721.82-2,178,857.16

Finding the Fourth Proportional to 6,971,142.60, 10,456,721.82 and 2,178,857.16

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Solution

The fourth proportional to 6,971,142.60, 10,456,721.82 and 2,178,857.16 is: 3,268,288.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971,142.60 : 10,456,721.82 = 2,178,857.16 : x
  2. Step 2: Convert to fraction form
    6,971,142.60/10,456,721.82 = 2,178,857.16/x
  3. Step 3: Cross multiply
    6,971,142.60x = 10,456,721.82 × 2,178,857.16
  4. Step 4: Simplify right side
    6,971,142.60x = 22,783,703,207,635.23
  5. Step 5: Solve for x
    x = 22,783,703,207,635.23/6,971,142.60
  6. Step 6: Final answer
    x = 3,268,288.22

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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.