Home / 29,056,119.80-43,584,179.70-18,978,423.80

Finding the Fourth Proportional to 29,056,119.80, 43,584,179.70 and 18,978,423.80

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Solution

The fourth proportional to 29,056,119.80, 43,584,179.70 and 18,978,423.80 is: 28,467,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,056,119.80 : 43,584,179.70 = 18,978,423.80 : x
  2. Step 2: Convert to fraction form
    29,056,119.80/43,584,179.70 = 18,978,423.80/x
  3. Step 3: Cross multiply
    29,056,119.80x = 43,584,179.70 × 18,978,423.80
  4. Step 4: Simplify right side
    29,056,119.80x = 827,159,033,321,957
  5. Step 5: Solve for x
    x = 827,159,033,321,957/29,056,119.80
  6. Step 6: Final answer
    x = 28,467,635.70

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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.