Home / 26,986,653.51-40,479,948.79-8,790,819.31

Finding the Fourth Proportional to 26,986,653.51, 40,479,948.79 and 8,790,819.31

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Solution

The fourth proportional to 26,986,653.51, 40,479,948.79 and 8,790,819.31 is: 13,186,218.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,986,653.51 : 40,479,948.79 = 8,790,819.31 : x
  2. Step 2: Convert to fraction form
    26,986,653.51/40,479,948.79 = 8,790,819.31/x
  3. Step 3: Cross multiply
    26,986,653.51x = 40,479,948.79 × 8,790,819.31
  4. Step 4: Simplify right side
    26,986,653.51x = 355,851,915,490,943.12
  5. Step 5: Solve for x
    x = 355,851,915,490,943.12/26,986,653.51
  6. Step 6: Final answer
    x = 13,186,218.71

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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.