Home / 12,185,747.76-16,818,184.24-7,777,376.34

Finding the Fourth Proportional to 12,185,747.76, 16,818,184.24 and 7,777,376.34

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Solution

The fourth proportional to 12,185,747.76, 16,818,184.24 and 7,777,376.34 is: 10,733,961.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,185,747.76 : 16,818,184.24 = 7,777,376.34 : x
  2. Step 2: Convert to fraction form
    12,185,747.76/16,818,184.24 = 7,777,376.34/x
  3. Step 3: Cross multiply
    12,185,747.76x = 16,818,184.24 × 7,777,376.34
  4. Step 4: Simplify right side
    12,185,747.76x = 130,801,348,189,936.86
  5. Step 5: Solve for x
    x = 130,801,348,189,936.86/12,185,747.76
  6. Step 6: Final answer
    x = 10,733,961.57

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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.