Home / 12,250,244.39-18,355,147.56-7,118,268.66

Finding the Fourth Proportional to 12,250,244.39, 18,355,147.56 and 7,118,268.66

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Solution

The fourth proportional to 12,250,244.39, 18,355,147.56 and 7,118,268.66 is: 10,665,654.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250,244.39 : 18,355,147.56 = 7,118,268.66 : x
  2. Step 2: Convert to fraction form
    12,250,244.39/18,355,147.56 = 7,118,268.66/x
  3. Step 3: Cross multiply
    12,250,244.39x = 18,355,147.56 × 7,118,268.66
  4. Step 4: Simplify right side
    12,250,244.39x = 130,656,871,626,023.47
  5. Step 5: Solve for x
    x = 130,656,871,626,023.47/12,250,244.39
  6. Step 6: Final answer
    x = 10,665,654.29

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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.