Home / 13,700,541.36-18,906,745.54-8,193,915.36

Finding the Fourth Proportional to 13,700,541.36, 18,906,745.54 and 8,193,915.36

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Solution

The fourth proportional to 13,700,541.36, 18,906,745.54 and 8,193,915.36 is: 11,307,602.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,700,541.36 : 18,906,745.54 = 8,193,915.36 : x
  2. Step 2: Convert to fraction form
    13,700,541.36/18,906,745.54 = 8,193,915.36/x
  3. Step 3: Cross multiply
    13,700,541.36x = 18,906,745.54 × 8,193,915.36
  4. Step 4: Simplify right side
    13,700,541.36x = 154,920,272,687,817.50
  5. Step 5: Solve for x
    x = 154,920,272,687,817.50/13,700,541.36
  6. Step 6: Final answer
    x = 11,307,602.28

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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.