Home / 20,736,057.40-31,104,086.10-20,610,086.20

Finding the Fourth Proportional to 20,736,057.40, 31,104,086.10 and 20,610,086.20

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Solution

The fourth proportional to 20,736,057.40, 31,104,086.10 and 20,610,086.20 is: 30,915,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,057.40 : 31,104,086.10 = 20,610,086.20 : x
  2. Step 2: Convert to fraction form
    20,736,057.40/31,104,086.10 = 20,610,086.20/x
  3. Step 3: Cross multiply
    20,736,057.40x = 31,104,086.10 × 20,610,086.20
  4. Step 4: Simplify right side
    20,736,057.40x = 641,057,895,693,221.88
  5. Step 5: Solve for x
    x = 641,057,895,693,221.88/20,736,057.40
  6. Step 6: Final answer
    x = 30,915,129.30

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1.5x scale

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.