Home / 7,885,381.36-11,826,288.24-3,621,450.64

Finding the Fourth Proportional to 7,885,381.36, 11,826,288.24 and 3,621,450.64

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Solution

The fourth proportional to 7,885,381.36, 11,826,288.24 and 3,621,450.64 is: 5,431,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885,381.36 : 11,826,288.24 = 3,621,450.64 : x
  2. Step 2: Convert to fraction form
    7,885,381.36/11,826,288.24 = 3,621,450.64/x
  3. Step 3: Cross multiply
    7,885,381.36x = 11,826,288.24 × 3,621,450.64
  4. Step 4: Simplify right side
    7,885,381.36x = 42,828,319,115,572.48
  5. Step 5: Solve for x
    x = 42,828,319,115,572.48/7,885,381.36
  6. Step 6: Final answer
    x = 5,431,356.73

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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.