Home / 29,126,947.80-43,690,421.70-12,085,843.80

Finding the Fourth Proportional to 29,126,947.80, 43,690,421.70 and 12,085,843.80

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Solution

The fourth proportional to 29,126,947.80, 43,690,421.70 and 12,085,843.80 is: 18,128,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,126,947.80 : 43,690,421.70 = 12,085,843.80 : x
  2. Step 2: Convert to fraction form
    29,126,947.80/43,690,421.70 = 12,085,843.80/x
  3. Step 3: Cross multiply
    29,126,947.80x = 43,690,421.70 × 12,085,843.80
  4. Step 4: Simplify right side
    29,126,947.80x = 528,035,612,222,330.50
  5. Step 5: Solve for x
    x = 528,035,612,222,330.50/29,126,947.80
  6. Step 6: Final answer
    x = 18,128,765.70

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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.