Home / 7,813,916.43-11,724,871.40-3,719,863.37

Finding the Fourth Proportional to 7,813,916.43, 11,724,871.40 and 3,719,863.37

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Solution

The fourth proportional to 7,813,916.43, 11,724,871.40 and 3,719,863.37 is: 5,581,697.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813,916.43 : 11,724,871.40 = 3,719,863.37 : x
  2. Step 2: Convert to fraction form
    7,813,916.43/11,724,871.40 = 3,719,863.37/x
  3. Step 3: Cross multiply
    7,813,916.43x = 11,724,871.40 × 3,719,863.37
  4. Step 4: Simplify right side
    7,813,916.43x = 43,614,919,561,596.95
  5. Step 5: Solve for x
    x = 43,614,919,561,596.95/7,813,916.43
  6. Step 6: Final answer
    x = 5,581,697.73

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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.