Home / 20,029,762.80-30,040,439.92-5,649,467.65

Finding the Fourth Proportional to 20,029,762.80, 30,040,439.92 and 5,649,467.65

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Solution

The fourth proportional to 20,029,762.80, 30,040,439.92 and 5,649,467.65 is: 8,473,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029,762.80 : 30,040,439.92 = 5,649,467.65 : x
  2. Step 2: Convert to fraction form
    20,029,762.80/30,040,439.92 = 5,649,467.65/x
  3. Step 3: Cross multiply
    20,029,762.80x = 30,040,439.92 × 5,649,467.65
  4. Step 4: Simplify right side
    20,029,762.80x = 169,712,493,430,583.81
  5. Step 5: Solve for x
    x = 169,712,493,430,583.81/20,029,762.80
  6. Step 6: Final answer
    x = 8,473,015.64

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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.