Home / 13,434,832.82-18,534,230.94-8,537,432.72

Finding the Fourth Proportional to 13,434,832.82, 18,534,230.94 and 8,537,432.72

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Solution

The fourth proportional to 13,434,832.82, 18,534,230.94 and 8,537,432.72 is: 11,777,947.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434,832.82 : 18,534,230.94 = 8,537,432.72 : x
  2. Step 2: Convert to fraction form
    13,434,832.82/18,534,230.94 = 8,537,432.72/x
  3. Step 3: Cross multiply
    13,434,832.82x = 18,534,230.94 × 8,537,432.72
  4. Step 4: Simplify right side
    13,434,832.82x = 158,234,749,667,192.38
  5. Step 5: Solve for x
    x = 158,234,749,667,192.38/13,434,832.82
  6. Step 6: Final answer
    x = 11,777,947.06

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1.5x scale

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.