Home / 10,394,992.80-15,575,900.40-8,702,935.20

Finding the Fourth Proportional to 10,394,992.80, 15,575,900.40 and 8,702,935.20

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Solution

The fourth proportional to 10,394,992.80, 15,575,900.40 and 8,702,935.20 is: 13,040,514.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394,992.80 : 15,575,900.40 = 8,702,935.20 : x
  2. Step 2: Convert to fraction form
    10,394,992.80/15,575,900.40 = 8,702,935.20/x
  3. Step 3: Cross multiply
    10,394,992.80x = 15,575,900.40 × 8,702,935.20
  4. Step 4: Simplify right side
    10,394,992.80x = 135,556,051,862,854.08
  5. Step 5: Solve for x
    x = 135,556,051,862,854.08/10,394,992.80
  6. Step 6: Final answer
    x = 13,040,514.26

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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.