Home / 13,443,445.62-20,165,064.75-3,345,998.58

Finding the Fourth Proportional to 13,443,445.62, 20,165,064.75 and 3,345,998.58

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Solution

The fourth proportional to 13,443,445.62, 20,165,064.75 and 3,345,998.58 is: 5,018,972.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443,445.62 : 20,165,064.75 = 3,345,998.58 : x
  2. Step 2: Convert to fraction form
    13,443,445.62/20,165,064.75 = 3,345,998.58/x
  3. Step 3: Cross multiply
    13,443,445.62x = 20,165,064.75 × 3,345,998.58
  4. Step 4: Simplify right side
    13,443,445.62x = 67,472,278,019,108.05
  5. Step 5: Solve for x
    x = 67,472,278,019,108.05/13,443,445.62
  6. Step 6: Final answer
    x = 5,018,972.06

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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.