Home / 21,703,726.68-29,950,367.82-12,284,315.52

Finding the Fourth Proportional to 21,703,726.68, 29,950,367.82 and 12,284,315.52

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Solution

The fourth proportional to 21,703,726.68, 29,950,367.82 and 12,284,315.52 is: 16,951,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,703,726.68 : 29,950,367.82 = 12,284,315.52 : x
  2. Step 2: Convert to fraction form
    21,703,726.68/29,950,367.82 = 12,284,315.52/x
  3. Step 3: Cross multiply
    21,703,726.68x = 29,950,367.82 × 12,284,315.52
  4. Step 4: Simplify right side
    21,703,726.68x = 367,919,768,082,554.50
  5. Step 5: Solve for x
    x = 367,919,768,082,554.50/21,703,726.68
  6. Step 6: Final answer
    x = 16,951,916.76

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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.