Home / 20,510,228.70-30,765,343.05-5,364,160.20

Finding the Fourth Proportional to 20,510,228.70, 30,765,343.05 and 5,364,160.20

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Solution

The fourth proportional to 20,510,228.70, 30,765,343.05 and 5,364,160.20 is: 8,046,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,510,228.70 : 30,765,343.05 = 5,364,160.20 : x
  2. Step 2: Convert to fraction form
    20,510,228.70/30,765,343.05 = 5,364,160.20/x
  3. Step 3: Cross multiply
    20,510,228.70x = 30,765,343.05 × 5,364,160.20
  4. Step 4: Simplify right side
    20,510,228.70x = 165,030,228,728,156.62
  5. Step 5: Solve for x
    x = 165,030,228,728,156.62/20,510,228.70
  6. Step 6: Final answer
    x = 8,046,240.30

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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.