Home / 20,224,072.80-30,336,109.20-7,441,932.60

Finding the Fourth Proportional to 20,224,072.80, 30,336,109.20 and 7,441,932.60

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Solution

The fourth proportional to 20,224,072.80, 30,336,109.20 and 7,441,932.60 is: 11,162,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224,072.80 : 30,336,109.20 = 7,441,932.60 : x
  2. Step 2: Convert to fraction form
    20,224,072.80/30,336,109.20 = 7,441,932.60/x
  3. Step 3: Cross multiply
    20,224,072.80x = 30,336,109.20 × 7,441,932.60
  4. Step 4: Simplify right side
    20,224,072.80x = 225,759,280,012,639.91
  5. Step 5: Solve for x
    x = 225,759,280,012,639.91/20,224,072.80
  6. Step 6: Final answer
    x = 11,162,898.90

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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.