Home / 11,520,818.56-15,898,863.04-6,364,073.28

Finding the Fourth Proportional to 11,520,818.56, 15,898,863.04 and 6,364,073.28

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Solution

The fourth proportional to 11,520,818.56, 15,898,863.04 and 6,364,073.28 is: 8,782,494.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520,818.56 : 15,898,863.04 = 6,364,073.28 : x
  2. Step 2: Convert to fraction form
    11,520,818.56/15,898,863.04 = 6,364,073.28/x
  3. Step 3: Cross multiply
    11,520,818.56x = 15,898,863.04 × 6,364,073.28
  4. Step 4: Simplify right side
    11,520,818.56x = 101,181,529,455,243.56
  5. Step 5: Solve for x
    x = 101,181,529,455,243.56/11,520,818.56
  6. Step 6: Final answer
    x = 8,782,494.83

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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.