Home / 7,887,999.90-11,825,087.85-5,355,443.10

Finding the Fourth Proportional to 7,887,999.90, 11,825,087.85 and 5,355,443.10

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Solution

The fourth proportional to 7,887,999.90, 11,825,087.85 and 5,355,443.10 is: 8,028,471.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,999.90 : 11,825,087.85 = 5,355,443.10 : x
  2. Step 2: Convert to fraction form
    7,887,999.90/11,825,087.85 = 5,355,443.10/x
  3. Step 3: Cross multiply
    7,887,999.90x = 11,825,087.85 × 5,355,443.10
  4. Step 4: Simplify right side
    7,887,999.90x = 63,328,585,133,176.33
  5. Step 5: Solve for x
    x = 63,328,585,133,176.33/7,887,999.90
  6. Step 6: Final answer
    x = 8,028,471.85

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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.