Home / 8,119,754.08-12,179,626.72-7,581,670.72

Finding the Fourth Proportional to 8,119,754.08, 12,179,626.72 and 7,581,670.72

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Solution

The fourth proportional to 8,119,754.08, 12,179,626.72 and 7,581,670.72 is: 11,372,501.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,754.08 : 12,179,626.72 = 7,581,670.72 : x
  2. Step 2: Convert to fraction form
    8,119,754.08/12,179,626.72 = 7,581,670.72/x
  3. Step 3: Cross multiply
    8,119,754.08x = 12,179,626.72 × 7,581,670.72
  4. Step 4: Simplify right side
    8,119,754.08x = 92,341,919,283,553.64
  5. Step 5: Solve for x
    x = 92,341,919,283,553.64/8,119,754.08
  6. Step 6: Final answer
    x = 11,372,501.97

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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.