Home / 8,054,129.79-12,082,329.32-2,587,391.37

Finding the Fourth Proportional to 8,054,129.79, 12,082,329.32 and 2,587,391.37

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Solution

The fourth proportional to 8,054,129.79, 12,082,329.32 and 2,587,391.37 is: 3,881,451.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054,129.79 : 12,082,329.32 = 2,587,391.37 : x
  2. Step 2: Convert to fraction form
    8,054,129.79/12,082,329.32 = 2,587,391.37/x
  3. Step 3: Cross multiply
    8,054,129.79x = 12,082,329.32 × 2,587,391.37
  4. Step 4: Simplify right side
    8,054,129.79x = 31,261,714,599,129.01
  5. Step 5: Solve for x
    x = 31,261,714,599,129.01/8,054,129.79
  6. Step 6: Final answer
    x = 3,881,451.56

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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.