Home / 18,321,942.40-27,493,411.20-6,970,537.60

Finding the Fourth Proportional to 18,321,942.40, 27,493,411.20 and 6,970,537.60

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Solution

The fourth proportional to 18,321,942.40, 27,493,411.20 and 6,970,537.60 is: 10,459,800.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321,942.40 : 27,493,411.20 = 6,970,537.60 : x
  2. Step 2: Convert to fraction form
    18,321,942.40/27,493,411.20 = 6,970,537.60/x
  3. Step 3: Cross multiply
    18,321,942.40x = 27,493,411.20 × 6,970,537.60
  4. Step 4: Simplify right side
    18,321,942.40x = 191,643,856,521,861.09
  5. Step 5: Solve for x
    x = 191,643,856,521,861.09/18,321,942.40
  6. Step 6: Final answer
    x = 10,459,800.19

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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.