Home / 12,161,869.05-16,783,380.59-6,655,245.11

Finding the Fourth Proportional to 12,161,869.05, 16,783,380.59 and 6,655,245.11

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Solution

The fourth proportional to 12,161,869.05, 16,783,380.59 and 6,655,245.11 is: 9,184,238.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,869.05 : 16,783,380.59 = 6,655,245.11 : x
  2. Step 2: Convert to fraction form
    12,161,869.05/16,783,380.59 = 6,655,245.11/x
  3. Step 3: Cross multiply
    12,161,869.05x = 16,783,380.59 × 6,655,245.11
  4. Step 4: Simplify right side
    12,161,869.05x = 111,697,511,600,866.42
  5. Step 5: Solve for x
    x = 111,697,511,600,866.42/12,161,869.05
  6. Step 6: Final answer
    x = 9,184,238.96

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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.