Home / 13,061,793.68-18,025,492.40-7,181,676.44

Finding the Fourth Proportional to 13,061,793.68, 18,025,492.40 and 7,181,676.44

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Solution

The fourth proportional to 13,061,793.68, 18,025,492.40 and 7,181,676.44 is: 9,910,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,061,793.68 : 18,025,492.40 = 7,181,676.44 : x
  2. Step 2: Convert to fraction form
    13,061,793.68/18,025,492.40 = 7,181,676.44/x
  3. Step 3: Cross multiply
    13,061,793.68x = 18,025,492.40 × 7,181,676.44
  4. Step 4: Simplify right side
    13,061,793.68x = 129,453,254,088,479.05
  5. Step 5: Solve for x
    x = 129,453,254,088,479.05/13,061,793.68
  6. Step 6: Final answer
    x = 9,910,832.87

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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.