Home / 36,009,842.71-54,014,847.10-20,756,821.71

Finding the Fourth Proportional to 36,009,842.71, 54,014,847.10 and 20,756,821.71

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Solution

The fourth proportional to 36,009,842.71, 54,014,847.10 and 20,756,821.71 is: 31,135,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,009,842.71 : 54,014,847.10 = 20,756,821.71 : x
  2. Step 2: Convert to fraction form
    36,009,842.71/54,014,847.10 = 20,756,821.71/x
  3. Step 3: Cross multiply
    36,009,842.71x = 54,014,847.10 × 20,756,821.71
  4. Step 4: Simplify right side
    36,009,842.71x = 1,121,176,550,599,698.12
  5. Step 5: Solve for x
    x = 1,121,176,550,599,698.12/36,009,842.71
  6. Step 6: Final answer
    x = 31,135,280.42

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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.