Home / 12,161,891.75-16,783,412.15-6,655,267.73

Finding the Fourth Proportional to 12,161,891.75, 16,783,412.15 and 6,655,267.73

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Solution

The fourth proportional to 12,161,891.75, 16,783,412.15 and 6,655,267.73 is: 9,184,270.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,891.75 : 16,783,412.15 = 6,655,267.73 : x
  2. Step 2: Convert to fraction form
    12,161,891.75/16,783,412.15 = 6,655,267.73/x
  3. Step 3: Cross multiply
    12,161,891.75x = 16,783,412.15 × 6,655,267.73
  4. Step 4: Simplify right side
    12,161,891.75x = 111,698,101,339,781.61
  5. Step 5: Solve for x
    x = 111,698,101,339,781.61/12,161,891.75
  6. Step 6: Final answer
    x = 9,184,270.32

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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.