Home / 9,579,029.78-13,218,873.72-5,228,147.27

Finding the Fourth Proportional to 9,579,029.78, 13,218,873.72 and 5,228,147.27

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Solution

The fourth proportional to 9,579,029.78, 13,218,873.72 and 5,228,147.27 is: 7,214,740.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579,029.78 : 13,218,873.72 = 5,228,147.27 : x
  2. Step 2: Convert to fraction form
    9,579,029.78/13,218,873.72 = 5,228,147.27/x
  3. Step 3: Cross multiply
    9,579,029.78x = 13,218,873.72 × 5,228,147.27
  4. Step 4: Simplify right side
    9,579,029.78x = 69,110,218,551,692.74
  5. Step 5: Solve for x
    x = 69,110,218,551,692.74/9,579,029.78
  6. Step 6: Final answer
    x = 7,214,740.96

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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.