Home / 28,479,737.82-39,302,226.89-15,426,996.73

Finding the Fourth Proportional to 28,479,737.82, 39,302,226.89 and 15,426,996.73

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Solution

The fourth proportional to 28,479,737.82, 39,302,226.89 and 15,426,996.73 is: 21,289,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,479,737.82 : 39,302,226.89 = 15,426,996.73 : x
  2. Step 2: Convert to fraction form
    28,479,737.82/39,302,226.89 = 15,426,996.73/x
  3. Step 3: Cross multiply
    28,479,737.82x = 39,302,226.89 × 15,426,996.73
  4. Step 4: Simplify right side
    28,479,737.82x = 606,315,325,713,748.12
  5. Step 5: Solve for x
    x = 606,315,325,713,748.12/28,479,737.82
  6. Step 6: Final answer
    x = 21,289,357.70

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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.