Home / 20,162,281.70-30,243,531.90-5,016,213.20

Finding the Fourth Proportional to 20,162,281.70, 30,243,531.90 and 5,016,213.20

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Solution

The fourth proportional to 20,162,281.70, 30,243,531.90 and 5,016,213.20 is: 7,524,347.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162,281.70 : 30,243,531.90 = 5,016,213.20 : x
  2. Step 2: Convert to fraction form
    20,162,281.70/30,243,531.90 = 5,016,213.20/x
  3. Step 3: Cross multiply
    20,162,281.70x = 30,243,531.90 × 5,016,213.20
  4. Step 4: Simplify right side
    20,162,281.70x = 151,708,003,931,401.09
  5. Step 5: Solve for x
    x = 151,708,003,931,401.09/20,162,281.70
  6. Step 6: Final answer
    x = 7,524,347.01

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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.