Home / 20,135,114.70-30,202,672.05-6,670,193.10

Finding the Fourth Proportional to 20,135,114.70, 30,202,672.05 and 6,670,193.10

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Solution

The fourth proportional to 20,135,114.70, 30,202,672.05 and 6,670,193.10 is: 10,005,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,135,114.70 : 30,202,672.05 = 6,670,193.10 : x
  2. Step 2: Convert to fraction form
    20,135,114.70/30,202,672.05 = 6,670,193.10/x
  3. Step 3: Cross multiply
    20,135,114.70x = 30,202,672.05 × 6,670,193.10
  4. Step 4: Simplify right side
    20,135,114.70x = 201,457,654,709,472.84
  5. Step 5: Solve for x
    x = 201,457,654,709,472.84/20,135,114.70
  6. Step 6: Final answer
    x = 10,005,289.65

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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.