Home / 8,775,687.20-13,163,530.80-3,992,718.20

Finding the Fourth Proportional to 8,775,687.20, 13,163,530.80 and 3,992,718.20

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Solution

The fourth proportional to 8,775,687.20, 13,163,530.80 and 3,992,718.20 is: 5,989,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775,687.20 : 13,163,530.80 = 3,992,718.20 : x
  2. Step 2: Convert to fraction form
    8,775,687.20/13,163,530.80 = 3,992,718.20/x
  3. Step 3: Cross multiply
    8,775,687.20x = 13,163,530.80 × 3,992,718.20
  4. Step 4: Simplify right side
    8,775,687.20x = 52,558,269,001,420.56
  5. Step 5: Solve for x
    x = 52,558,269,001,420.56/8,775,687.20
  6. Step 6: Final answer
    x = 5,989,077.30

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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.