Home / 12,128,975.13-16,737,761.19-6,901,867.45

Finding the Fourth Proportional to 12,128,975.13, 16,737,761.19 and 6,901,867.45

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Solution

The fourth proportional to 12,128,975.13, 16,737,761.19 and 6,901,867.45 is: 9,524,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,975.13 : 16,737,761.19 = 6,901,867.45 : x
  2. Step 2: Convert to fraction form
    12,128,975.13/16,737,761.19 = 6,901,867.45/x
  3. Step 3: Cross multiply
    12,128,975.13x = 16,737,761.19 × 6,901,867.45
  4. Step 4: Simplify right side
    12,128,975.13x = 115,521,809,143,134.27
  5. Step 5: Solve for x
    x = 115,521,809,143,134.27/12,128,975.13
  6. Step 6: Final answer
    x = 9,524,449.34

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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.