Home / 20,022,830.82-30,032,679.47-5,645,317.86

Finding the Fourth Proportional to 20,022,830.82, 30,032,679.47 and 5,645,317.86

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Solution

The fourth proportional to 20,022,830.82, 30,032,679.47 and 5,645,317.86 is: 8,467,535.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022,830.82 : 30,032,679.47 = 5,645,317.86 : x
  2. Step 2: Convert to fraction form
    20,022,830.82/30,032,679.47 = 5,645,317.86/x
  3. Step 3: Cross multiply
    20,022,830.82x = 30,032,679.47 × 5,645,317.86
  4. Step 4: Simplify right side
    20,022,830.82x = 169,544,021,767,419.75
  5. Step 5: Solve for x
    x = 169,544,021,767,419.75/20,022,830.82
  6. Step 6: Final answer
    x = 8,467,535.05

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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.