Home / 13,363,894.82-20,045,177.16-7,310,450.12

Finding the Fourth Proportional to 13,363,894.82, 20,045,177.16 and 7,310,450.12

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Solution

The fourth proportional to 13,363,894.82, 20,045,177.16 and 7,310,450.12 is: 10,965,311.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363,894.82 : 20,045,177.16 = 7,310,450.12 : x
  2. Step 2: Convert to fraction form
    13,363,894.82/20,045,177.16 = 7,310,450.12/x
  3. Step 3: Cross multiply
    13,363,894.82x = 20,045,177.16 × 7,310,450.12
  4. Step 4: Simplify right side
    13,363,894.82x = 146,539,267,774,743.25
  5. Step 5: Solve for x
    x = 146,539,267,774,743.25/13,363,894.82
  6. Step 6: Final answer
    x = 10,965,311.37

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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.