Home / 15,276,581.42-21,082,236.72-8,751,471.98

Finding the Fourth Proportional to 15,276,581.42, 21,082,236.72 and 8,751,471.98

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Solution

The fourth proportional to 15,276,581.42, 21,082,236.72 and 8,751,471.98 is: 12,077,348.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276,581.42 : 21,082,236.72 = 8,751,471.98 : x
  2. Step 2: Convert to fraction form
    15,276,581.42/21,082,236.72 = 8,751,471.98/x
  3. Step 3: Cross multiply
    15,276,581.42x = 21,082,236.72 × 8,751,471.98
  4. Step 4: Simplify right side
    15,276,581.42x = 184,500,603,930,807.09
  5. Step 5: Solve for x
    x = 184,500,603,930,807.09/15,276,581.42
  6. Step 6: Final answer
    x = 12,077,348.91

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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.