Home / 8,191,703.26-11,277,980.49-6,446,295.82

Finding the Fourth Proportional to 8,191,703.26, 11,277,980.49 and 6,446,295.82

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Solution

The fourth proportional to 8,191,703.26, 11,277,980.49 and 6,446,295.82 is: 8,874,979.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191,703.26 : 11,277,980.49 = 6,446,295.82 : x
  2. Step 2: Convert to fraction form
    8,191,703.26/11,277,980.49 = 6,446,295.82/x
  3. Step 3: Cross multiply
    8,191,703.26x = 11,277,980.49 × 6,446,295.82
  4. Step 4: Simplify right side
    8,191,703.26x = 72,701,198,490,728.56
  5. Step 5: Solve for x
    x = 72,701,198,490,728.56/8,191,703.26
  6. Step 6: Final answer
    x = 8,874,979.50

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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.