Home / 7,415,013.60-11,100,747.60-5,530,111.20

Finding the Fourth Proportional to 7,415,013.60, 11,100,747.60 and 5,530,111.20

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Solution

The fourth proportional to 7,415,013.60, 11,100,747.60 and 5,530,111.20 is: 8,278,928.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415,013.60 : 11,100,747.60 = 5,530,111.20 : x
  2. Step 2: Convert to fraction form
    7,415,013.60/11,100,747.60 = 5,530,111.20/x
  3. Step 3: Cross multiply
    7,415,013.60x = 11,100,747.60 × 5,530,111.20
  4. Step 4: Simplify right side
    7,415,013.60x = 61,388,368,631,133.12
  5. Step 5: Solve for x
    x = 61,388,368,631,133.12/7,415,013.60
  6. Step 6: Final answer
    x = 8,278,928.66

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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.