Home / 11,707,965.57-17,561,849.84-9,151,330.98

Finding the Fourth Proportional to 11,707,965.57, 17,561,849.84 and 9,151,330.98

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Solution

The fourth proportional to 11,707,965.57, 17,561,849.84 and 9,151,330.98 is: 13,726,919.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707,965.57 : 17,561,849.84 = 9,151,330.98 : x
  2. Step 2: Convert to fraction form
    11,707,965.57/17,561,849.84 = 9,151,330.98/x
  3. Step 3: Cross multiply
    11,707,965.57x = 17,561,849.84 × 9,151,330.98
  4. Step 4: Simplify right side
    11,707,965.57x = 160,714,300,461,143.41
  5. Step 5: Solve for x
    x = 160,714,300,461,143.41/11,707,965.57
  6. Step 6: Final answer
    x = 13,726,919.46

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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.