Home / 18,146,977.20-27,222,798.60-9,053,722.80

Finding the Fourth Proportional to 18,146,977.20, 27,222,798.60 and 9,053,722.80

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Solution

The fourth proportional to 18,146,977.20, 27,222,798.60 and 9,053,722.80 is: 13,581,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,977.20 : 27,222,798.60 = 9,053,722.80 : x
  2. Step 2: Convert to fraction form
    18,146,977.20/27,222,798.60 = 9,053,722.80/x
  3. Step 3: Cross multiply
    18,146,977.20x = 27,222,798.60 × 9,053,722.80
  4. Step 4: Simplify right side
    18,146,977.20x = 246,467,672,364,628.12
  5. Step 5: Solve for x
    x = 246,467,672,364,628.12/18,146,977.20
  6. Step 6: Final answer
    x = 13,581,748.06

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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.