Home / 7,203,180.11-9,939,849.67-3,939,826.19

Finding the Fourth Proportional to 7,203,180.11, 9,939,849.67 and 3,939,826.19

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Solution

The fourth proportional to 7,203,180.11, 9,939,849.67 and 3,939,826.19 is: 5,436,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203,180.11 : 9,939,849.67 = 3,939,826.19 : x
  2. Step 2: Convert to fraction form
    7,203,180.11/9,939,849.67 = 3,939,826.19/x
  3. Step 3: Cross multiply
    7,203,180.11x = 9,939,849.67 × 3,939,826.19
  4. Step 4: Simplify right side
    7,203,180.11x = 39,161,280,054,528.86
  5. Step 5: Solve for x
    x = 39,161,280,054,528.86/7,203,180.11
  6. Step 6: Final answer
    x = 5,436,665.40

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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.