Home / 13,947,338.68-20,921,216.73-5,311,916.04

Finding the Fourth Proportional to 13,947,338.68, 20,921,216.73 and 5,311,916.04

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Solution

The fourth proportional to 13,947,338.68, 20,921,216.73 and 5,311,916.04 is: 7,967,953.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947,338.68 : 20,921,216.73 = 5,311,916.04 : x
  2. Step 2: Convert to fraction form
    13,947,338.68/20,921,216.73 = 5,311,916.04/x
  3. Step 3: Cross multiply
    13,947,338.68x = 20,921,216.73 × 5,311,916.04
  4. Step 4: Simplify right side
    13,947,338.68x = 111,131,746,724,403.36
  5. Step 5: Solve for x
    x = 111,131,746,724,403.36/13,947,338.68
  6. Step 6: Final answer
    x = 7,967,953.55

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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.