Home / 11,939,402.30-16,476,430.66-6,783,046.70

Finding the Fourth Proportional to 11,939,402.30, 16,476,430.66 and 6,783,046.70

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Solution

The fourth proportional to 11,939,402.30, 16,476,430.66 and 6,783,046.70 is: 9,360,635.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939,402.30 : 16,476,430.66 = 6,783,046.70 : x
  2. Step 2: Convert to fraction form
    11,939,402.30/16,476,430.66 = 6,783,046.70/x
  3. Step 3: Cross multiply
    11,939,402.30x = 16,476,430.66 × 6,783,046.70
  4. Step 4: Simplify right side
    11,939,402.30x = 111,760,398,616,091.83
  5. Step 5: Solve for x
    x = 111,760,398,616,091.83/11,939,402.30
  6. Step 6: Final answer
    x = 9,360,635.97

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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.