Home / 16,953,105.12-23,395,114.80-9,218,149.44

Finding the Fourth Proportional to 16,953,105.12, 23,395,114.80 and 9,218,149.44

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Solution

The fourth proportional to 16,953,105.12, 23,395,114.80 and 9,218,149.44 is: 12,720,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,953,105.12 : 23,395,114.80 = 9,218,149.44 : x
  2. Step 2: Convert to fraction form
    16,953,105.12/23,395,114.80 = 9,218,149.44/x
  3. Step 3: Cross multiply
    16,953,105.12x = 23,395,114.80 × 9,218,149.44
  4. Step 4: Simplify right side
    16,953,105.12x = 215,659,664,392,355.72
  5. Step 5: Solve for x
    x = 215,659,664,392,355.72/16,953,105.12
  6. Step 6: Final answer
    x = 12,720,953.65

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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.