Home / 20,222,524.80-30,333,787.20-7,440,384.60

Finding the Fourth Proportional to 20,222,524.80, 30,333,787.20 and 7,440,384.60

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Solution

The fourth proportional to 20,222,524.80, 30,333,787.20 and 7,440,384.60 is: 11,160,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222,524.80 : 30,333,787.20 = 7,440,384.60 : x
  2. Step 2: Convert to fraction form
    20,222,524.80/30,333,787.20 = 7,440,384.60/x
  3. Step 3: Cross multiply
    20,222,524.80x = 30,333,787.20 × 7,440,384.60
  4. Step 4: Simplify right side
    20,222,524.80x = 225,695,043,142,557.09
  5. Step 5: Solve for x
    x = 225,695,043,142,557.09/20,222,524.80
  6. Step 6: Final answer
    x = 11,160,576.90

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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.