Home / 13,320,099.28-18,381,736.92-7,208,529.04

Finding the Fourth Proportional to 13,320,099.28, 18,381,736.92 and 7,208,529.04

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Solution

The fourth proportional to 13,320,099.28, 18,381,736.92 and 7,208,529.04 is: 9,947,770.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,099.28 : 18,381,736.92 = 7,208,529.04 : x
  2. Step 2: Convert to fraction form
    13,320,099.28/18,381,736.92 = 7,208,529.04/x
  3. Step 3: Cross multiply
    13,320,099.28x = 18,381,736.92 × 7,208,529.04
  4. Step 4: Simplify right side
    13,320,099.28x = 132,505,284,393,460.17
  5. Step 5: Solve for x
    x = 132,505,284,393,460.17/13,320,099.28
  6. Step 6: Final answer
    x = 9,947,770.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.