Home / 20,222,420.83-30,329,228.21-5,450,171.15

Finding the Fourth Proportional to 20,222,420.83, 30,329,228.21 and 5,450,171.15

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Solution

The fourth proportional to 20,222,420.83, 30,329,228.21 and 5,450,171.15 is: 8,174,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222,420.83 : 30,329,228.21 = 5,450,171.15 : x
  2. Step 2: Convert to fraction form
    20,222,420.83/30,329,228.21 = 5,450,171.15/x
  3. Step 3: Cross multiply
    20,222,420.83x = 30,329,228.21 × 5,450,171.15
  4. Step 4: Simplify right side
    20,222,420.83x = 165,299,484,508,193.16
  5. Step 5: Solve for x
    x = 165,299,484,508,193.16/20,222,420.83
  6. Step 6: Final answer
    x = 8,174,070.05

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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.