Home / 20,022,816.07-30,032,657.38-5,645,303.11

Finding the Fourth Proportional to 20,022,816.07, 30,032,657.38 and 5,645,303.11

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Solution

The fourth proportional to 20,022,816.07, 30,032,657.38 and 5,645,303.11 is: 8,467,512.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022,816.07 : 30,032,657.38 = 5,645,303.11 : x
  2. Step 2: Convert to fraction form
    20,022,816.07/30,032,657.38 = 5,645,303.11/x
  3. Step 3: Cross multiply
    20,022,816.07x = 30,032,657.38 × 5,645,303.11
  4. Step 4: Simplify right side
    20,022,816.07x = 169,543,454,108,878.47
  5. Step 5: Solve for x
    x = 169,543,454,108,878.47/20,022,816.07
  6. Step 6: Final answer
    x = 8,467,512.94

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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.