Home / 18,194,139.90-27,291,209.85-7,405,887.60

Finding the Fourth Proportional to 18,194,139.90, 27,291,209.85 and 7,405,887.60

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Solution

The fourth proportional to 18,194,139.90, 27,291,209.85 and 7,405,887.60 is: 11,108,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,194,139.90 : 27,291,209.85 = 7,405,887.60 : x
  2. Step 2: Convert to fraction form
    18,194,139.90/27,291,209.85 = 7,405,887.60/x
  3. Step 3: Cross multiply
    18,194,139.90x = 27,291,209.85 × 7,405,887.60
  4. Step 4: Simplify right side
    18,194,139.90x = 202,115,632,617,112.88
  5. Step 5: Solve for x
    x = 202,115,632,617,112.88/18,194,139.90
  6. Step 6: Final answer
    x = 11,108,831.40

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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.