Home / 12,427,673.78-18,642,174.96-3,908,674.52

Finding the Fourth Proportional to 12,427,673.78, 18,642,174.96 and 3,908,674.52

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Solution

The fourth proportional to 12,427,673.78, 18,642,174.96 and 3,908,674.52 is: 5,863,220.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427,673.78 : 18,642,174.96 = 3,908,674.52 : x
  2. Step 2: Convert to fraction form
    12,427,673.78/18,642,174.96 = 3,908,674.52/x
  3. Step 3: Cross multiply
    12,427,673.78x = 18,642,174.96 × 3,908,674.52
  4. Step 4: Simplify right side
    12,427,673.78x = 72,866,194,263,534.02
  5. Step 5: Solve for x
    x = 72,866,194,263,534.02/12,427,673.78
  6. Step 6: Final answer
    x = 5,863,220.71

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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.