Home / 12,156,558.96-16,776,451.41-6,649,807.92

Finding the Fourth Proportional to 12,156,558.96, 16,776,451.41 and 6,649,807.92

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Solution

The fourth proportional to 12,156,558.96, 16,776,451.41 and 6,649,807.92 is: 9,176,953.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156,558.96 : 16,776,451.41 = 6,649,807.92 : x
  2. Step 2: Convert to fraction form
    12,156,558.96/16,776,451.41 = 6,649,807.92/x
  3. Step 3: Cross multiply
    12,156,558.96x = 16,776,451.41 × 6,649,807.92
  4. Step 4: Simplify right side
    12,156,558.96x = 111,560,179,455,713.17
  5. Step 5: Solve for x
    x = 111,560,179,455,713.17/12,156,558.96
  6. Step 6: Final answer
    x = 9,176,953.76

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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.