Home / 10,265,857.76-14,165,400.78-5,682,168.20

Finding the Fourth Proportional to 10,265,857.76, 14,165,400.78 and 5,682,168.20

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Solution

The fourth proportional to 10,265,857.76, 14,165,400.78 and 5,682,168.20 is: 7,840,571.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265,857.76 : 14,165,400.78 = 5,682,168.20 : x
  2. Step 2: Convert to fraction form
    10,265,857.76/14,165,400.78 = 5,682,168.20/x
  3. Step 3: Cross multiply
    10,265,857.76x = 14,165,400.78 × 5,682,168.20
  4. Step 4: Simplify right side
    10,265,857.76x = 80,490,189,852,371.19
  5. Step 5: Solve for x
    x = 80,490,189,852,371.19/10,265,857.76
  6. Step 6: Final answer
    x = 7,840,571.31

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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.