Home / 12,096,776.30-18,126,502.05-10,491,809.90

Finding the Fourth Proportional to 12,096,776.30, 18,126,502.05 and 10,491,809.90

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Solution

The fourth proportional to 12,096,776.30, 18,126,502.05 and 10,491,809.90 is: 15,721,528.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,776.30 : 18,126,502.05 = 10,491,809.90 : x
  2. Step 2: Convert to fraction form
    12,096,776.30/18,126,502.05 = 10,491,809.90/x
  3. Step 3: Cross multiply
    12,096,776.30x = 18,126,502.05 × 10,491,809.90
  4. Step 4: Simplify right side
    12,096,776.30x = 190,179,813,660,560.31
  5. Step 5: Solve for x
    x = 190,179,813,660,560.31/12,096,776.30
  6. Step 6: Final answer
    x = 15,721,528.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.