Home / 7,182,826.08-9,912,509.32-3,919,850.96

Finding the Fourth Proportional to 7,182,826.08, 9,912,509.32 and 3,919,850.96

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Solution

The fourth proportional to 7,182,826.08, 9,912,509.32 and 3,919,850.96 is: 5,409,508.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182,826.08 : 9,912,509.32 = 3,919,850.96 : x
  2. Step 2: Convert to fraction form
    7,182,826.08/9,912,509.32 = 3,919,850.96/x
  3. Step 3: Cross multiply
    7,182,826.08x = 9,912,509.32 × 3,919,850.96
  4. Step 4: Simplify right side
    7,182,826.08x = 38,855,559,174,010.95
  5. Step 5: Solve for x
    x = 38,855,559,174,010.95/7,182,826.08
  6. Step 6: Final answer
    x = 5,409,508.56

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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.