Home / 8,190,030.80-12,285,046.20-8,083,742.60

Finding the Fourth Proportional to 8,190,030.80, 12,285,046.20 and 8,083,742.60

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Solution

The fourth proportional to 8,190,030.80, 12,285,046.20 and 8,083,742.60 is: 12,125,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,030.80 : 12,285,046.20 = 8,083,742.60 : x
  2. Step 2: Convert to fraction form
    8,190,030.80/12,285,046.20 = 8,083,742.60/x
  3. Step 3: Cross multiply
    8,190,030.80x = 12,285,046.20 × 8,083,742.60
  4. Step 4: Simplify right side
    8,190,030.80x = 99,309,151,309,908.11
  5. Step 5: Solve for x
    x = 99,309,151,309,908.11/8,190,030.80
  6. Step 6: Final answer
    x = 12,125,613.90

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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.