Home / 8,230,755.61-11,356,390.78-4,747,159.85

Finding the Fourth Proportional to 8,230,755.61, 11,356,390.78 and 4,747,159.85

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Solution

The fourth proportional to 8,230,755.61, 11,356,390.78 and 4,747,159.85 is: 6,549,897.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230,755.61 : 11,356,390.78 = 4,747,159.85 : x
  2. Step 2: Convert to fraction form
    8,230,755.61/11,356,390.78 = 4,747,159.85/x
  3. Step 3: Cross multiply
    8,230,755.61x = 11,356,390.78 × 4,747,159.85
  4. Step 4: Simplify right side
    8,230,755.61x = 53,910,602,368,249.26
  5. Step 5: Solve for x
    x = 53,910,602,368,249.26/8,230,755.61
  6. Step 6: Final answer
    x = 6,549,897.11

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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.