Home / 21,121,964.24-31,682,632.28-5,769,228.29

Finding the Fourth Proportional to 21,121,964.24, 31,682,632.28 and 5,769,228.29

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Solution

The fourth proportional to 21,121,964.24, 31,682,632.28 and 5,769,228.29 is: 8,653,756.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,121,964.24 : 31,682,632.28 = 5,769,228.29 : x
  2. Step 2: Convert to fraction form
    21,121,964.24/31,682,632.28 = 5,769,228.29/x
  3. Step 3: Cross multiply
    21,121,964.24x = 31,682,632.28 × 5,769,228.29
  4. Step 4: Simplify right side
    21,121,964.24x = 182,784,338,264,183.91
  5. Step 5: Solve for x
    x = 182,784,338,264,183.91/21,121,964.24
  6. Step 6: Final answer
    x = 8,653,756.64

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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.