Home / 7,161,414.60-9,882,974.74-3,898,446.60

Finding the Fourth Proportional to 7,161,414.60, 9,882,974.74 and 3,898,446.60

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Solution

The fourth proportional to 7,161,414.60, 9,882,974.74 and 3,898,446.60 is: 5,379,977.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,414.60 : 9,882,974.74 = 3,898,446.60 : x
  2. Step 2: Convert to fraction form
    7,161,414.60/9,882,974.74 = 3,898,446.60/x
  3. Step 3: Cross multiply
    7,161,414.60x = 9,882,974.74 × 3,898,446.60
  4. Step 4: Simplify right side
    7,161,414.60x = 38,528,249,273,038.88
  5. Step 5: Solve for x
    x = 38,528,249,273,038.88/7,161,414.60
  6. Step 6: Final answer
    x = 5,379,977.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.