Home / 13,509,572.06-20,264,121.66-5,313,065.52

Finding the Fourth Proportional to 13,509,572.06, 20,264,121.66 and 5,313,065.52

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Solution

The fourth proportional to 13,509,572.06, 20,264,121.66 and 5,313,065.52 is: 7,969,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,509,572.06 : 20,264,121.66 = 5,313,065.52 : x
  2. Step 2: Convert to fraction form
    13,509,572.06/20,264,121.66 = 5,313,065.52/x
  3. Step 3: Cross multiply
    13,509,572.06x = 20,264,121.66 × 5,313,065.52
  4. Step 4: Simplify right side
    13,509,572.06x = 107,664,606,036,873.94
  5. Step 5: Solve for x
    x = 107,664,606,036,873.94/13,509,572.06
  6. Step 6: Final answer
    x = 7,969,505.29

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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.