Home / 20,232,311.70-30,348,467.55-6,586,743.90

Finding the Fourth Proportional to 20,232,311.70, 30,348,467.55 and 6,586,743.90

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Solution

The fourth proportional to 20,232,311.70, 30,348,467.55 and 6,586,743.90 is: 9,880,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232,311.70 : 30,348,467.55 = 6,586,743.90 : x
  2. Step 2: Convert to fraction form
    20,232,311.70/30,348,467.55 = 6,586,743.90/x
  3. Step 3: Cross multiply
    20,232,311.70x = 30,348,467.55 × 6,586,743.90
  4. Step 4: Simplify right side
    20,232,311.70x = 199,897,583,509,310.47
  5. Step 5: Solve for x
    x = 199,897,583,509,310.47/20,232,311.70
  6. Step 6: Final answer
    x = 9,880,115.85

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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.