Home / 15,831,446.40-23,747,169.60-5,193,878.40

Finding the Fourth Proportional to 15,831,446.40, 23,747,169.60 and 5,193,878.40

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Solution

The fourth proportional to 15,831,446.40, 23,747,169.60 and 5,193,878.40 is: 7,790,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831,446.40 : 23,747,169.60 = 5,193,878.40 : x
  2. Step 2: Convert to fraction form
    15,831,446.40/23,747,169.60 = 5,193,878.40/x
  3. Step 3: Cross multiply
    15,831,446.40x = 23,747,169.60 × 5,193,878.40
  4. Step 4: Simplify right side
    15,831,446.40x = 123,339,911,246,576.66
  5. Step 5: Solve for x
    x = 123,339,911,246,576.66/15,831,446.40
  6. Step 6: Final answer
    x = 7,790,817.60

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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.