Home / 12,298,363.60-18,455,418.60-7,180,783.60

Finding the Fourth Proportional to 12,298,363.60, 18,455,418.60 and 7,180,783.60

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Solution

The fourth proportional to 12,298,363.60, 18,455,418.60 and 7,180,783.60 is: 10,775,772.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,363.60 : 18,455,418.60 = 7,180,783.60 : x
  2. Step 2: Convert to fraction form
    12,298,363.60/18,455,418.60 = 7,180,783.60/x
  3. Step 3: Cross multiply
    12,298,363.60x = 18,455,418.60 × 7,180,783.60
  4. Step 4: Simplify right side
    12,298,363.60x = 132,524,367,214,014.97
  5. Step 5: Solve for x
    x = 132,524,367,214,014.97/12,298,363.60
  6. Step 6: Final answer
    x = 10,775,772.41

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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.