Home / 12,079,197.92-16,662,940.94-7,180,935.75

Finding the Fourth Proportional to 12,079,197.92, 16,662,940.94 and 7,180,935.75

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Solution

The fourth proportional to 12,079,197.92, 16,662,940.94 and 7,180,935.75 is: 9,905,915.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079,197.92 : 16,662,940.94 = 7,180,935.75 : x
  2. Step 2: Convert to fraction form
    12,079,197.92/16,662,940.94 = 7,180,935.75/x
  3. Step 3: Cross multiply
    12,079,197.92x = 16,662,940.94 × 7,180,935.75
  4. Step 4: Simplify right side
    12,079,197.92x = 119,655,508,314,136.95
  5. Step 5: Solve for x
    x = 119,655,508,314,136.95/12,079,197.92
  6. Step 6: Final answer
    x = 9,905,915.04

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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.