Home / 13,947,340.68-20,921,219.73-5,311,918.04

Finding the Fourth Proportional to 13,947,340.68, 20,921,219.73 and 5,311,918.04

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Solution

The fourth proportional to 13,947,340.68, 20,921,219.73 and 5,311,918.04 is: 7,967,956.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947,340.68 : 20,921,219.73 = 5,311,918.04 : x
  2. Step 2: Convert to fraction form
    13,947,340.68/20,921,219.73 = 5,311,918.04/x
  3. Step 3: Cross multiply
    13,947,340.68x = 20,921,219.73 × 5,311,918.04
  4. Step 4: Simplify right side
    13,947,340.68x = 111,131,804,502,590.94
  5. Step 5: Solve for x
    x = 111,131,804,502,590.94/13,947,340.68
  6. Step 6: Final answer
    x = 7,967,956.55

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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.