Home / 7,875,662.20-11,813,868.54-3,827,326.84

Finding the Fourth Proportional to 7,875,662.20, 11,813,868.54 and 3,827,326.84

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Solution

The fourth proportional to 7,875,662.20, 11,813,868.54 and 3,827,326.84 is: 5,741,172.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875,662.20 : 11,813,868.54 = 3,827,326.84 : x
  2. Step 2: Convert to fraction form
    7,875,662.20/11,813,868.54 = 3,827,326.84/x
  3. Step 3: Cross multiply
    7,875,662.20x = 11,813,868.54 × 3,827,326.84
  4. Step 4: Simplify right side
    7,875,662.20x = 45,215,536,147,373.61
  5. Step 5: Solve for x
    x = 45,215,536,147,373.61/7,875,662.20
  6. Step 6: Final answer
    x = 5,741,172.61

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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.