Home / 21,181,452.29-31,757,673.66-10,786,549.77

Finding the Fourth Proportional to 21,181,452.29, 31,757,673.66 and 10,786,549.77

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Solution

The fourth proportional to 21,181,452.29, 31,757,673.66 and 10,786,549.77 is: 16,172,438.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,181,452.29 : 31,757,673.66 = 10,786,549.77 : x
  2. Step 2: Convert to fraction form
    21,181,452.29/31,757,673.66 = 10,786,549.77/x
  3. Step 3: Cross multiply
    21,181,452.29x = 31,757,673.66 × 10,786,549.77
  4. Step 4: Simplify right side
    21,181,452.29x = 342,555,727,434,366.31
  5. Step 5: Solve for x
    x = 342,555,727,434,366.31/21,181,452.29
  6. Step 6: Final answer
    x = 16,172,438.17

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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.