Home / 20,629,535.77-30,945,331.55-7,851,030.85

Finding the Fourth Proportional to 20,629,535.77, 30,945,331.55 and 7,851,030.85

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Solution

The fourth proportional to 20,629,535.77, 30,945,331.55 and 7,851,030.85 is: 11,776,937.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629,535.77 : 30,945,331.55 = 7,851,030.85 : x
  2. Step 2: Convert to fraction form
    20,629,535.77/30,945,331.55 = 7,851,030.85/x
  3. Step 3: Cross multiply
    20,629,535.77x = 30,945,331.55 × 7,851,030.85
  4. Step 4: Simplify right side
    20,629,535.77x = 242,952,752,662,528.31
  5. Step 5: Solve for x
    x = 242,952,752,662,528.31/20,629,535.77
  6. Step 6: Final answer
    x = 11,776,937.46

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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.