Home / 18,214,184.34-25,138,684.31-10,872,396.18

Finding the Fourth Proportional to 18,214,184.34, 25,138,684.31 and 10,872,396.18

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Solution

The fourth proportional to 18,214,184.34, 25,138,684.31 and 10,872,396.18 is: 15,005,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214,184.34 : 25,138,684.31 = 10,872,396.18 : x
  2. Step 2: Convert to fraction form
    18,214,184.34/25,138,684.31 = 10,872,396.18/x
  3. Step 3: Cross multiply
    18,214,184.34x = 25,138,684.31 × 10,872,396.18
  4. Step 4: Simplify right side
    18,214,184.34x = 273,317,735,207,907.94
  5. Step 5: Solve for x
    x = 273,317,735,207,907.94/18,214,184.34
  6. Step 6: Final answer
    x = 15,005,763.10

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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.