Home / 12,310,847.80-16,989,849.62-6,804,104.20

Finding the Fourth Proportional to 12,310,847.80, 16,989,849.62 and 6,804,104.20

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Solution

The fourth proportional to 12,310,847.80, 16,989,849.62 and 6,804,104.20 is: 9,390,149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,847.80 : 16,989,849.62 = 6,804,104.20 : x
  2. Step 2: Convert to fraction form
    12,310,847.80/16,989,849.62 = 6,804,104.20/x
  3. Step 3: Cross multiply
    12,310,847.80x = 16,989,849.62 × 6,804,104.20
  4. Step 4: Simplify right side
    12,310,847.80x = 115,600,707,156,810.42
  5. Step 5: Solve for x
    x = 115,600,707,156,810.42/12,310,847.80
  6. Step 6: Final answer
    x = 9,390,149.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.