Home / 19,088,542.62-28,629,117.90-7,416,893.61

Finding the Fourth Proportional to 19,088,542.62, 28,629,117.90 and 7,416,893.61

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Solution

The fourth proportional to 19,088,542.62, 28,629,117.90 and 7,416,893.61 is: 11,123,904.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,088,542.62 : 28,629,117.90 = 7,416,893.61 : x
  2. Step 2: Convert to fraction form
    19,088,542.62/28,629,117.90 = 7,416,893.61/x
  3. Step 3: Cross multiply
    19,088,542.62x = 28,629,117.90 × 7,416,893.61
  4. Step 4: Simplify right side
    19,088,542.62x = 212,339,121,612,446.62
  5. Step 5: Solve for x
    x = 212,339,121,612,446.62/19,088,542.62
  6. Step 6: Final answer
    x = 11,123,904.31

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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.