Home / 30,589,135.42-42,214,120.44-16,649,815.26

Finding the Fourth Proportional to 30,589,135.42, 42,214,120.44 and 16,649,815.26

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Solution

The fourth proportional to 30,589,135.42, 42,214,120.44 and 16,649,815.26 is: 22,977,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,589,135.42 : 42,214,120.44 = 16,649,815.26 : x
  2. Step 2: Convert to fraction form
    30,589,135.42/42,214,120.44 = 16,649,815.26/x
  3. Step 3: Cross multiply
    30,589,135.42x = 42,214,120.44 × 16,649,815.26
  4. Step 4: Simplify right side
    30,589,135.42x = 702,857,306,689,389.88
  5. Step 5: Solve for x
    x = 702,857,306,689,389.88/30,589,135.42
  6. Step 6: Final answer
    x = 22,977,351.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.