Home / 19,158,088.20-28,740,917.96-7,027,664.28

Finding the Fourth Proportional to 19,158,088.20, 28,740,917.96 and 7,027,664.28

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Solution

The fourth proportional to 19,158,088.20, 28,740,917.96 and 7,027,664.28 is: 10,542,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158,088.20 : 28,740,917.96 = 7,027,664.28 : x
  2. Step 2: Convert to fraction form
    19,158,088.20/28,740,917.96 = 7,027,664.28/x
  3. Step 3: Cross multiply
    19,158,088.20x = 28,740,917.96 × 7,027,664.28
  4. Step 4: Simplify right side
    19,158,088.20x = 201,981,522,521,902.47
  5. Step 5: Solve for x
    x = 201,981,522,521,902.47/19,158,088.20
  6. Step 6: Final answer
    x = 10,542,885.09

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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.