Home / 12,405,086.57-17,116,511.00-7,247,451.66

Finding the Fourth Proportional to 12,405,086.57, 17,116,511.00 and 7,247,451.66

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Solution

The fourth proportional to 12,405,086.57, 17,116,511.00 and 7,247,451.66 is: 10,000,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,405,086.57 : 17,116,511.00 = 7,247,451.66 : x
  2. Step 2: Convert to fraction form
    12,405,086.57/17,116,511.00 = 7,247,451.66/x
  3. Step 3: Cross multiply
    12,405,086.57x = 17,116,511.00 × 7,247,451.66
  4. Step 4: Simplify right side
    12,405,086.57x = 124,051,086,024,121.02
  5. Step 5: Solve for x
    x = 124,051,086,024,121.02/12,405,086.57
  6. Step 6: Final answer
    x = 10,000,017.76

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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.