Home / 7,783,631.74-11,675,447.88-5,667,184.36

Finding the Fourth Proportional to 7,783,631.74, 11,675,447.88 and 5,667,184.36

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Solution

The fourth proportional to 7,783,631.74, 11,675,447.88 and 5,667,184.36 is: 8,500,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783,631.74 : 11,675,447.88 = 5,667,184.36 : x
  2. Step 2: Convert to fraction form
    7,783,631.74/11,675,447.88 = 5,667,184.36/x
  3. Step 3: Cross multiply
    7,783,631.74x = 11,675,447.88 × 5,667,184.36
  4. Step 4: Simplify right side
    7,783,631.74x = 66,166,915,621,531.16
  5. Step 5: Solve for x
    x = 66,166,915,621,531.16/7,783,631.74
  6. Step 6: Final answer
    x = 8,500,776.74

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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.