Home / 8,172,909.89-11,278,199.01-4,501,747.45

Finding the Fourth Proportional to 8,172,909.89, 11,278,199.01 and 4,501,747.45

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Solution

The fourth proportional to 8,172,909.89, 11,278,199.01 and 4,501,747.45 is: 6,212,181.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,909.89 : 11,278,199.01 = 4,501,747.45 : x
  2. Step 2: Convert to fraction form
    8,172,909.89/11,278,199.01 = 4,501,747.45/x
  3. Step 3: Cross multiply
    8,172,909.89x = 11,278,199.01 × 4,501,747.45
  4. Step 4: Simplify right side
    8,172,909.89x = 50,771,603,633,860.02
  5. Step 5: Solve for x
    x = 50,771,603,633,860.02/8,172,909.89
  6. Step 6: Final answer
    x = 6,212,181.99

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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.