Home / 55,196,355.60-82,794,533.40-18,845,791.20

Finding the Fourth Proportional to 55,196,355.60, 82,794,533.40 and 18,845,791.20

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Solution

The fourth proportional to 55,196,355.60, 82,794,533.40 and 18,845,791.20 is: 28,268,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,196,355.60 : 82,794,533.40 = 18,845,791.20 : x
  2. Step 2: Convert to fraction form
    55,196,355.60/82,794,533.40 = 18,845,791.20/x
  3. Step 3: Cross multiply
    55,196,355.60x = 82,794,533.40 × 18,845,791.20
  4. Step 4: Simplify right side
    55,196,355.60x = 1,560,328,488,957,826.25
  5. Step 5: Solve for x
    x = 1,560,328,488,957,826.25/55,196,355.60
  6. Step 6: Final answer
    x = 28,268,686.80

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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.