Home / 10,903,043.20-16,336,850.10-9,096,143.80

Finding the Fourth Proportional to 10,903,043.20, 16,336,850.10 and 9,096,143.80

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Solution

The fourth proportional to 10,903,043.20, 16,336,850.10 and 9,096,143.80 is: 13,629,436.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903,043.20 : 16,336,850.10 = 9,096,143.80 : x
  2. Step 2: Convert to fraction form
    10,903,043.20/16,336,850.10 = 9,096,143.80/x
  3. Step 3: Cross multiply
    10,903,043.20x = 16,336,850.10 × 9,096,143.80
  4. Step 4: Simplify right side
    10,903,043.20x = 148,602,337,748,644.38
  5. Step 5: Solve for x
    x = 148,602,337,748,644.38/10,903,043.20
  6. Step 6: Final answer
    x = 13,629,436.76

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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.