Home / 11,150,719.85-15,393,400.06-7,478,293.04

Finding the Fourth Proportional to 11,150,719.85, 15,393,400.06 and 7,478,293.04

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Solution

The fourth proportional to 11,150,719.85, 15,393,400.06 and 7,478,293.04 is: 10,323,670.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150,719.85 : 15,393,400.06 = 7,478,293.04 : x
  2. Step 2: Convert to fraction form
    11,150,719.85/15,393,400.06 = 7,478,293.04/x
  3. Step 3: Cross multiply
    11,150,719.85x = 15,393,400.06 × 7,478,293.04
  4. Step 4: Simplify right side
    11,150,719.85x = 115,116,356,530,633.59
  5. Step 5: Solve for x
    x = 115,116,356,530,633.59/11,150,719.85
  6. Step 6: Final answer
    x = 10,323,670.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.