Home / 8,747,999.80-13,121,999.70-6,508,511.80

Finding the Fourth Proportional to 8,747,999.80, 13,121,999.70 and 6,508,511.80

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Solution

The fourth proportional to 8,747,999.80, 13,121,999.70 and 6,508,511.80 is: 9,762,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747,999.80 : 13,121,999.70 = 6,508,511.80 : x
  2. Step 2: Convert to fraction form
    8,747,999.80/13,121,999.70 = 6,508,511.80/x
  3. Step 3: Cross multiply
    8,747,999.80x = 13,121,999.70 × 6,508,511.80
  4. Step 4: Simplify right side
    8,747,999.80x = 85,404,689,887,046.45
  5. Step 5: Solve for x
    x = 85,404,689,887,046.45/8,747,999.80
  6. Step 6: Final answer
    x = 9,762,767.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.