Home / 36,278,388.90-54,440,994.86-13,247,395.12

Finding the Fourth Proportional to 36,278,388.90, 54,440,994.86 and 13,247,395.12

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Solution

The fourth proportional to 36,278,388.90, 54,440,994.86 and 13,247,395.12 is: 19,879,641.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,278,388.90 : 54,440,994.86 = 13,247,395.12 : x
  2. Step 2: Convert to fraction form
    36,278,388.90/54,440,994.86 = 13,247,395.12/x
  3. Step 3: Cross multiply
    36,278,388.90x = 54,440,994.86 × 13,247,395.12
  4. Step 4: Simplify right side
    36,278,388.90x = 721,201,369,636,309
  5. Step 5: Solve for x
    x = 721,201,369,636,309/36,278,388.90
  6. Step 6: Final answer
    x = 19,879,641.61

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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.