Home / 8,889,418.40-13,334,710.80-2,499,879.20

Finding the Fourth Proportional to 8,889,418.40, 13,334,710.80 and 2,499,879.20

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Solution

The fourth proportional to 8,889,418.40, 13,334,710.80 and 2,499,879.20 is: 3,749,982.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,418.40 : 13,334,710.80 = 2,499,879.20 : x
  2. Step 2: Convert to fraction form
    8,889,418.40/13,334,710.80 = 2,499,879.20/x
  3. Step 3: Cross multiply
    8,889,418.40x = 13,334,710.80 × 2,499,879.20
  4. Step 4: Simplify right side
    8,889,418.40x = 33,335,166,166,935.36
  5. Step 5: Solve for x
    x = 33,335,166,166,935.36/8,889,418.40
  6. Step 6: Final answer
    x = 3,749,982.81

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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.