Home / 12,700,976.13-17,527,468.37-6,899,801.49

Finding the Fourth Proportional to 12,700,976.13, 17,527,468.37 and 6,899,801.49

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Solution

The fourth proportional to 12,700,976.13, 17,527,468.37 and 6,899,801.49 is: 9,521,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,700,976.13 : 17,527,468.37 = 6,899,801.49 : x
  2. Step 2: Convert to fraction form
    12,700,976.13/17,527,468.37 = 6,899,801.49/x
  3. Step 3: Cross multiply
    12,700,976.13x = 17,527,468.37 × 6,899,801.49
  4. Step 4: Simplify right side
    12,700,976.13x = 120,936,052,340,754.86
  5. Step 5: Solve for x
    x = 120,936,052,340,754.86/12,700,976.13
  6. Step 6: Final answer
    x = 9,521,791.96

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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.