Home / 18,222,562.60-27,333,843.90-11,520,687.40

Finding the Fourth Proportional to 18,222,562.60, 27,333,843.90 and 11,520,687.40

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Solution

The fourth proportional to 18,222,562.60, 27,333,843.90 and 11,520,687.40 is: 17,281,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222,562.60 : 27,333,843.90 = 11,520,687.40 : x
  2. Step 2: Convert to fraction form
    18,222,562.60/27,333,843.90 = 11,520,687.40/x
  3. Step 3: Cross multiply
    18,222,562.60x = 27,333,843.90 × 11,520,687.40
  4. Step 4: Simplify right side
    18,222,562.60x = 314,904,671,012,296.88
  5. Step 5: Solve for x
    x = 314,904,671,012,296.88/18,222,562.60
  6. Step 6: Final answer
    x = 17,281,031.10

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1.5x scale

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.