Home / 29,212,219-43,822,314.92-12,168,906.13

Finding the Fourth Proportional to 29,212,219, 43,822,314.92 and 12,168,906.13

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Solution

The fourth proportional to 29,212,219, 43,822,314.92 and 12,168,906.13 is: 18,255,019.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,212,219 : 43,822,314.92 = 12,168,906.13 : x
  2. Step 2: Convert to fraction form
    29,212,219/43,822,314.92 = 12,168,906.13/x
  3. Step 3: Cross multiply
    29,212,219x = 43,822,314.92 × 12,168,906.13
  4. Step 4: Simplify right side
    29,212,219x = 533,269,636,660,778.50
  5. Step 5: Solve for x
    x = 533,269,636,660,778.50/29,212,219
  6. Step 6: Final answer
    x = 18,255,019.81

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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.