Home / 20,022,833.32-30,032,683.21-5,645,320.36

Finding the Fourth Proportional to 20,022,833.32, 30,032,683.21 and 5,645,320.36

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Solution

The fourth proportional to 20,022,833.32, 30,032,683.21 and 5,645,320.36 is: 8,467,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022,833.32 : 30,032,683.21 = 5,645,320.36 : x
  2. Step 2: Convert to fraction form
    20,022,833.32/30,032,683.21 = 5,645,320.36/x
  3. Step 3: Cross multiply
    20,022,833.32x = 30,032,683.21 × 5,645,320.36
  4. Step 4: Simplify right side
    20,022,833.32x = 169,544,117,990,843.16
  5. Step 5: Solve for x
    x = 169,544,117,990,843.16/20,022,833.32
  6. Step 6: Final answer
    x = 8,467,538.80

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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.