Home / 7,912,749.42-11,868,993.24-2,521,326.60

Finding the Fourth Proportional to 7,912,749.42, 11,868,993.24 and 2,521,326.60

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Solution

The fourth proportional to 7,912,749.42, 11,868,993.24 and 2,521,326.60 is: 3,781,948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912,749.42 : 11,868,993.24 = 2,521,326.60 : x
  2. Step 2: Convert to fraction form
    7,912,749.42/11,868,993.24 = 2,521,326.60/x
  3. Step 3: Cross multiply
    7,912,749.42x = 11,868,993.24 × 2,521,326.60
  4. Step 4: Simplify right side
    7,912,749.42x = 29,925,608,371,232.19
  5. Step 5: Solve for x
    x = 29,925,608,371,232.19/7,912,749.42
  6. Step 6: Final answer
    x = 3,781,948.19

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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.