Home / 12,274,912.60-18,412,368.90-7,491,943.60

Finding the Fourth Proportional to 12,274,912.60, 18,412,368.90 and 7,491,943.60

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Solution

The fourth proportional to 12,274,912.60, 18,412,368.90 and 7,491,943.60 is: 11,237,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274,912.60 : 18,412,368.90 = 7,491,943.60 : x
  2. Step 2: Convert to fraction form
    12,274,912.60/18,412,368.90 = 7,491,943.60/x
  3. Step 3: Cross multiply
    12,274,912.60x = 18,412,368.90 × 7,491,943.60
  4. Step 4: Simplify right side
    12,274,912.60x = 137,944,429,341,194.02
  5. Step 5: Solve for x
    x = 137,944,429,341,194.02/12,274,912.60
  6. Step 6: Final answer
    x = 11,237,915.40

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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.