Home / 20,811,514.88-31,216,523.92-5,458,681.94

Finding the Fourth Proportional to 20,811,514.88, 31,216,523.92 and 5,458,681.94

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Solution

The fourth proportional to 20,811,514.88, 31,216,523.92 and 5,458,681.94 is: 8,187,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,811,514.88 : 31,216,523.92 = 5,458,681.94 : x
  2. Step 2: Convert to fraction form
    20,811,514.88/31,216,523.92 = 5,458,681.94/x
  3. Step 3: Cross multiply
    20,811,514.88x = 31,216,523.92 × 5,458,681.94
  4. Step 4: Simplify right side
    20,811,514.88x = 170,401,075,181,952.66
  5. Step 5: Solve for x
    x = 170,401,075,181,952.66/20,811,514.88
  6. Step 6: Final answer
    x = 8,187,826.60

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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.