Home / 20,854,078.80-31,262,455.80-8,070,334.80

Finding the Fourth Proportional to 20,854,078.80, 31,262,455.80 and 8,070,334.80

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Solution

The fourth proportional to 20,854,078.80, 31,262,455.80 and 8,070,334.80 is: 12,098,280.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,854,078.80 : 31,262,455.80 = 8,070,334.80 : x
  2. Step 2: Convert to fraction form
    20,854,078.80/31,262,455.80 = 8,070,334.80/x
  3. Step 3: Cross multiply
    20,854,078.80x = 31,262,455.80 × 8,070,334.80
  4. Step 4: Simplify right side
    20,854,078.80x = 252,298,484,976,201.84
  5. Step 5: Solve for x
    x = 252,298,484,976,201.84/20,854,078.80
  6. Step 6: Final answer
    x = 12,098,280.02

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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.