Home / 18,610,454.40-27,915,691.73-5,831,959.20

Finding the Fourth Proportional to 18,610,454.40, 27,915,691.73 and 5,831,959.20

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Solution

The fourth proportional to 18,610,454.40, 27,915,691.73 and 5,831,959.20 is: 8,747,941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610,454.40 : 27,915,691.73 = 5,831,959.20 : x
  2. Step 2: Convert to fraction form
    18,610,454.40/27,915,691.73 = 5,831,959.20/x
  3. Step 3: Cross multiply
    18,610,454.40x = 27,915,691.73 × 5,831,959.20
  4. Step 4: Simplify right side
    18,610,454.40x = 162,803,175,209,137.44
  5. Step 5: Solve for x
    x = 162,803,175,209,137.44/18,610,454.40
  6. Step 6: Final answer
    x = 8,747,941.97

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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.