Home / 13,579,735.60-18,739,775.25-7,468,164.10

Finding the Fourth Proportional to 13,579,735.60, 18,739,775.25 and 7,468,164.10

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Solution

The fourth proportional to 13,579,735.60, 18,739,775.25 and 7,468,164.10 is: 10,305,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579,735.60 : 18,739,775.25 = 7,468,164.10 : x
  2. Step 2: Convert to fraction form
    13,579,735.60/18,739,775.25 = 7,468,164.10/x
  3. Step 3: Cross multiply
    13,579,735.60x = 18,739,775.25 × 7,468,164.10
  4. Step 4: Simplify right side
    13,579,735.60x = 139,951,716,764,118.52
  5. Step 5: Solve for x
    x = 139,951,716,764,118.52/13,579,735.60
  6. Step 6: Final answer
    x = 10,305,923.54

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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.