Home / 13,182,735.56-18,189,232.85-7,956,591.47

Finding the Fourth Proportional to 13,182,735.56, 18,189,232.85 and 7,956,591.47

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Solution

The fourth proportional to 13,182,735.56, 18,189,232.85 and 7,956,591.47 is: 10,978,320.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182,735.56 : 18,189,232.85 = 7,956,591.47 : x
  2. Step 2: Convert to fraction form
    13,182,735.56/18,189,232.85 = 7,956,591.47/x
  3. Step 3: Cross multiply
    13,182,735.56x = 18,189,232.85 × 7,956,591.47
  4. Step 4: Simplify right side
    13,182,735.56x = 144,724,294,869,099.09
  5. Step 5: Solve for x
    x = 144,724,294,869,099.09/13,182,735.56
  6. Step 6: Final answer
    x = 10,978,320.41

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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.