Home / 21,462,350.99-29,625,749.10-12,760,502.85

Finding the Fourth Proportional to 21,462,350.99, 29,625,749.10 and 12,760,502.85

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Solution

The fourth proportional to 21,462,350.99, 29,625,749.10 and 12,760,502.85 is: 17,614,074.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,462,350.99 : 29,625,749.10 = 12,760,502.85 : x
  2. Step 2: Convert to fraction form
    21,462,350.99/29,625,749.10 = 12,760,502.85/x
  3. Step 3: Cross multiply
    21,462,350.99x = 29,625,749.10 × 12,760,502.85
  4. Step 4: Simplify right side
    21,462,350.99x = 378,039,455,823,934.94
  5. Step 5: Solve for x
    x = 378,039,455,823,934.94/21,462,350.99
  6. Step 6: Final answer
    x = 17,614,074.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.