Home / 18,610,452.90-27,915,689.48-5,831,957.70

Finding the Fourth Proportional to 18,610,452.90, 27,915,689.48 and 5,831,957.70

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Solution

The fourth proportional to 18,610,452.90, 27,915,689.48 and 5,831,957.70 is: 8,747,939.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610,452.90 : 27,915,689.48 = 5,831,957.70 : x
  2. Step 2: Convert to fraction form
    18,610,452.90/27,915,689.48 = 5,831,957.70/x
  3. Step 3: Cross multiply
    18,610,452.90x = 27,915,689.48 × 5,831,957.70
  4. Step 4: Simplify right side
    18,610,452.90x = 162,803,120,184,535.22
  5. Step 5: Solve for x
    x = 162,803,120,184,535.22/18,610,452.90
  6. Step 6: Final answer
    x = 8,747,939.72

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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.