Home / 20,736,057.66-31,104,086.48-20,610,086.46

Finding the Fourth Proportional to 20,736,057.66, 31,104,086.48 and 20,610,086.46

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Solution

The fourth proportional to 20,736,057.66, 31,104,086.48 and 20,610,086.46 is: 30,915,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,057.66 : 31,104,086.48 = 20,610,086.46 : x
  2. Step 2: Convert to fraction form
    20,736,057.66/31,104,086.48 = 20,610,086.46/x
  3. Step 3: Cross multiply
    20,736,057.66x = 31,104,086.48 × 20,610,086.46
  4. Step 4: Simplify right side
    20,736,057.66x = 641,057,911,612,117.12
  5. Step 5: Solve for x
    x = 641,057,911,612,117.12/20,736,057.66
  6. Step 6: Final answer
    x = 30,915,129.68

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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.