Home / 20,118,524.70-30,177,787.05-7,339,446.30

Finding the Fourth Proportional to 20,118,524.70, 30,177,787.05 and 7,339,446.30

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Solution

The fourth proportional to 20,118,524.70, 30,177,787.05 and 7,339,446.30 is: 11,009,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,524.70 : 30,177,787.05 = 7,339,446.30 : x
  2. Step 2: Convert to fraction form
    20,118,524.70/30,177,787.05 = 7,339,446.30/x
  3. Step 3: Cross multiply
    20,118,524.70x = 30,177,787.05 × 7,339,446.30
  4. Step 4: Simplify right side
    20,118,524.70x = 221,488,247,506,310.41
  5. Step 5: Solve for x
    x = 221,488,247,506,310.41/20,118,524.70
  6. Step 6: Final answer
    x = 11,009,169.45

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Double scale
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Similar ratio
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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.