Home / 29,212,209.08-43,822,300.13-12,168,896.21

Finding the Fourth Proportional to 29,212,209.08, 43,822,300.13 and 12,168,896.21

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Solution

The fourth proportional to 29,212,209.08, 43,822,300.13 and 12,168,896.21 is: 18,255,004.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,212,209.08 : 43,822,300.13 = 12,168,896.21 : x
  2. Step 2: Convert to fraction form
    29,212,209.08/43,822,300.13 = 12,168,896.21/x
  3. Step 3: Cross multiply
    29,212,209.08x = 43,822,300.13 × 12,168,896.21
  4. Step 4: Simplify right side
    29,212,209.08x = 533,269,021,965,439.56
  5. Step 5: Solve for x
    x = 533,269,021,965,439.56/29,212,209.08
  6. Step 6: Final answer
    x = 18,255,004.97

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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.