Home / 7,885,540.80-11,828,311.20-7,087,723.20

Finding the Fourth Proportional to 7,885,540.80, 11,828,311.20 and 7,087,723.20

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Solution

The fourth proportional to 7,885,540.80, 11,828,311.20 and 7,087,723.20 is: 10,631,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885,540.80 : 11,828,311.20 = 7,087,723.20 : x
  2. Step 2: Convert to fraction form
    7,885,540.80/11,828,311.20 = 7,087,723.20/x
  3. Step 3: Cross multiply
    7,885,540.80x = 11,828,311.20 × 7,087,723.20
  4. Step 4: Simplify right side
    7,885,540.80x = 83,835,795,709,059.84
  5. Step 5: Solve for x
    x = 83,835,795,709,059.84/7,885,540.80
  6. Step 6: Final answer
    x = 10,631,584.80

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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.