Home / 20,950,879.66-31,427,647.78-6,574,514.88

Finding the Fourth Proportional to 20,950,879.66, 31,427,647.78 and 6,574,514.88

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Solution

The fourth proportional to 20,950,879.66, 31,427,647.78 and 6,574,514.88 is: 9,862,189.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,950,879.66 : 31,427,647.78 = 6,574,514.88 : x
  2. Step 2: Convert to fraction form
    20,950,879.66/31,427,647.78 = 6,574,514.88/x
  3. Step 3: Cross multiply
    20,950,879.66x = 31,427,647.78 × 6,574,514.88
  4. Step 4: Simplify right side
    20,950,879.66x = 206,621,537,973,008.97
  5. Step 5: Solve for x
    x = 206,621,537,973,008.97/20,950,879.66
  6. Step 6: Final answer
    x = 9,862,189.15

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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.