Home / 12,096,775.80-18,126,501.30-10,491,809.40

Finding the Fourth Proportional to 12,096,775.80, 18,126,501.30 and 10,491,809.40

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Solution

The fourth proportional to 12,096,775.80, 18,126,501.30 and 10,491,809.40 is: 15,721,527.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,775.80 : 18,126,501.30 = 10,491,809.40 : x
  2. Step 2: Convert to fraction form
    12,096,775.80/18,126,501.30 = 10,491,809.40/x
  3. Step 3: Cross multiply
    12,096,775.80x = 18,126,501.30 × 10,491,809.40
  4. Step 4: Simplify right side
    12,096,775.80x = 190,179,796,728,452.25
  5. Step 5: Solve for x
    x = 190,179,796,728,452.25/12,096,775.80
  6. Step 6: Final answer
    x = 15,721,527.78

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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.