Home / 10,865,868.18-16,283,662.56-8,167,044.60

Finding the Fourth Proportional to 10,865,868.18, 16,283,662.56 and 8,167,044.60

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Solution

The fourth proportional to 10,865,868.18, 16,283,662.56 and 8,167,044.60 is: 12,239,187.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,868.18 : 16,283,662.56 = 8,167,044.60 : x
  2. Step 2: Convert to fraction form
    10,865,868.18/16,283,662.56 = 8,167,044.60/x
  3. Step 3: Cross multiply
    10,865,868.18x = 16,283,662.56 × 8,167,044.60
  4. Step 4: Simplify right side
    10,865,868.18x = 132,989,398,378,870.17
  5. Step 5: Solve for x
    x = 132,989,398,378,870.17/10,865,868.18
  6. Step 6: Final answer
    x = 12,239,187.53

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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.