Home / 7,928,084.45-11,890,265.91-4,471,318.63

Finding the Fourth Proportional to 7,928,084.45, 11,890,265.91 and 4,471,318.63

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Solution

The fourth proportional to 7,928,084.45, 11,890,265.91 and 4,471,318.63 is: 6,705,928.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928,084.45 : 11,890,265.91 = 4,471,318.63 : x
  2. Step 2: Convert to fraction form
    7,928,084.45/11,890,265.91 = 4,471,318.63/x
  3. Step 3: Cross multiply
    7,928,084.45x = 11,890,265.91 × 4,471,318.63
  4. Step 4: Simplify right side
    7,928,084.45x = 53,165,167,477,132.29
  5. Step 5: Solve for x
    x = 53,165,167,477,132.29/7,928,084.45
  6. Step 6: Final answer
    x = 6,705,928.50

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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.