Home / 21,424,219.38-32,132,144.50-6,847,228.70

Finding the Fourth Proportional to 21,424,219.38, 32,132,144.50 and 6,847,228.70

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Solution

The fourth proportional to 21,424,219.38, 32,132,144.50 and 6,847,228.70 is: 10,269,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,424,219.38 : 32,132,144.50 = 6,847,228.70 : x
  2. Step 2: Convert to fraction form
    21,424,219.38/32,132,144.50 = 6,847,228.70/x
  3. Step 3: Cross multiply
    21,424,219.38x = 32,132,144.50 × 6,847,228.70
  4. Step 4: Simplify right side
    21,424,219.38x = 220,016,142,012,947.16
  5. Step 5: Solve for x
    x = 220,016,142,012,947.16/21,424,219.38
  6. Step 6: Final answer
    x = 10,269,505.65

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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.