Home / 21,059,997.60-29,067,286.80-14,453,623.20

Finding the Fourth Proportional to 21,059,997.60, 29,067,286.80 and 14,453,623.20

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Solution

The fourth proportional to 21,059,997.60, 29,067,286.80 and 14,453,623.20 is: 19,949,081.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,059,997.60 : 29,067,286.80 = 14,453,623.20 : x
  2. Step 2: Convert to fraction form
    21,059,997.60/29,067,286.80 = 14,453,623.20/x
  3. Step 3: Cross multiply
    21,059,997.60x = 29,067,286.80 × 14,453,623.20
  4. Step 4: Simplify right side
    21,059,997.60x = 420,127,610,853,533.75
  5. Step 5: Solve for x
    x = 420,127,610,853,533.75/21,059,997.60
  6. Step 6: Final answer
    x = 19,949,081.61

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1.5x scale

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.