Home / 18,194,144.40-27,291,216.60-7,405,892.10

Finding the Fourth Proportional to 18,194,144.40, 27,291,216.60 and 7,405,892.10

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Solution

The fourth proportional to 18,194,144.40, 27,291,216.60 and 7,405,892.10 is: 11,108,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,194,144.40 : 27,291,216.60 = 7,405,892.10 : x
  2. Step 2: Convert to fraction form
    18,194,144.40/27,291,216.60 = 7,405,892.10/x
  3. Step 3: Cross multiply
    18,194,144.40x = 27,291,216.60 × 7,405,892.10
  4. Step 4: Simplify right side
    18,194,144.40x = 202,115,805,417,328.88
  5. Step 5: Solve for x
    x = 202,115,805,417,328.88/18,194,144.40
  6. Step 6: Final answer
    x = 11,108,838.15

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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.