Home / 7,120,179.60-9,825,894.70-3,856,994.16

Finding the Fourth Proportional to 7,120,179.60, 9,825,894.70 and 3,856,994.16

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Solution

The fourth proportional to 7,120,179.60, 9,825,894.70 and 3,856,994.16 is: 5,322,677.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120,179.60 : 9,825,894.70 = 3,856,994.16 : x
  2. Step 2: Convert to fraction form
    7,120,179.60/9,825,894.70 = 3,856,994.16/x
  3. Step 3: Cross multiply
    7,120,179.60x = 9,825,894.70 × 3,856,994.16
  4. Step 4: Simplify right side
    7,120,179.60x = 37,898,418,474,674.95
  5. Step 5: Solve for x
    x = 37,898,418,474,674.95/7,120,179.60
  6. Step 6: Final answer
    x = 5,322,677.32

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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.