Home / 8,115,268.40-12,168,342.39-5,559,365.24

Finding the Fourth Proportional to 8,115,268.40, 12,168,342.39 and 5,559,365.24

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Solution

The fourth proportional to 8,115,268.40, 12,168,342.39 and 5,559,365.24 is: 8,335,923.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115,268.40 : 12,168,342.39 = 5,559,365.24 : x
  2. Step 2: Convert to fraction form
    8,115,268.40/12,168,342.39 = 5,559,365.24/x
  3. Step 3: Cross multiply
    8,115,268.40x = 12,168,342.39 × 5,559,365.24
  4. Step 4: Simplify right side
    8,115,268.40x = 67,648,259,650,542.82
  5. Step 5: Solve for x
    x = 67,648,259,650,542.82/8,115,268.40
  6. Step 6: Final answer
    x = 8,335,923.89

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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.