Home / 20,162,280.70-30,243,530.40-5,016,212.20

Finding the Fourth Proportional to 20,162,280.70, 30,243,530.40 and 5,016,212.20

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Solution

The fourth proportional to 20,162,280.70, 30,243,530.40 and 5,016,212.20 is: 7,524,345.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162,280.70 : 30,243,530.40 = 5,016,212.20 : x
  2. Step 2: Convert to fraction form
    20,162,280.70/30,243,530.40 = 5,016,212.20/x
  3. Step 3: Cross multiply
    20,162,280.70x = 30,243,530.40 × 5,016,212.20
  4. Step 4: Simplify right side
    20,162,280.70x = 151,707,966,163,550.88
  5. Step 5: Solve for x
    x = 151,707,966,163,550.88/20,162,280.70
  6. Step 6: Final answer
    x = 7,524,345.51

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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.