Home / 20,474,849.05-28,255,484.74-11,653,869.77

Finding the Fourth Proportional to 20,474,849.05, 28,255,484.74 and 11,653,869.77

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Solution

The fourth proportional to 20,474,849.05, 28,255,484.74 and 11,653,869.77 is: 16,082,450.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,474,849.05 : 28,255,484.74 = 11,653,869.77 : x
  2. Step 2: Convert to fraction form
    20,474,849.05/28,255,484.74 = 11,653,869.77/x
  3. Step 3: Cross multiply
    20,474,849.05x = 28,255,484.74 × 11,653,869.77
  4. Step 4: Simplify right side
    20,474,849.05x = 329,285,739,448,182.25
  5. Step 5: Solve for x
    x = 329,285,739,448,182.25/20,474,849.05
  6. Step 6: Final answer
    x = 16,082,450.16

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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.