Home / 7,758,195.30-11,619,356.28-7,489,153.28

Finding the Fourth Proportional to 7,758,195.30, 11,619,356.28 and 7,489,153.28

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Solution

The fourth proportional to 7,758,195.30, 11,619,356.28 and 7,489,153.28 is: 11,216,415.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758,195.30 : 11,619,356.28 = 7,489,153.28 : x
  2. Step 2: Convert to fraction form
    7,758,195.30/11,619,356.28 = 7,489,153.28/x
  3. Step 3: Cross multiply
    7,758,195.30x = 11,619,356.28 × 7,489,153.28
  4. Step 4: Simplify right side
    7,758,195.30x = 87,019,140,195,850.59
  5. Step 5: Solve for x
    x = 87,019,140,195,850.59/7,758,195.30
  6. Step 6: Final answer
    x = 11,216,415.27

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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.