Home / 20,759,533.92-28,399,189.50-20,672,096.36

Finding the Fourth Proportional to 20,759,533.92, 28,399,189.50 and 20,672,096.36

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Solution

The fourth proportional to 20,759,533.92, 28,399,189.50 and 20,672,096.36 is: 28,279,574.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,759,533.92 : 28,399,189.50 = 20,672,096.36 : x
  2. Step 2: Convert to fraction form
    20,759,533.92/28,399,189.50 = 20,672,096.36/x
  3. Step 3: Cross multiply
    20,759,533.92x = 28,399,189.50 × 20,672,096.36
  4. Step 4: Simplify right side
    20,759,533.92x = 587,070,781,747,904.25
  5. Step 5: Solve for x
    x = 587,070,781,747,904.25/20,759,533.92
  6. Step 6: Final answer
    x = 28,279,574.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.