Home / 13,027,138.83-19,516,042.19-8,696,128.42

Finding the Fourth Proportional to 13,027,138.83, 19,516,042.19 and 8,696,128.42

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Solution

The fourth proportional to 13,027,138.83, 19,516,042.19 and 8,696,128.42 is: 13,027,727.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027,138.83 : 19,516,042.19 = 8,696,128.42 : x
  2. Step 2: Convert to fraction form
    13,027,138.83/19,516,042.19 = 8,696,128.42/x
  3. Step 3: Cross multiply
    13,027,138.83x = 19,516,042.19 × 8,696,128.42
  4. Step 4: Simplify right side
    13,027,138.83x = 169,714,009,021,819.97
  5. Step 5: Solve for x
    x = 169,714,009,021,819.97/13,027,138.83
  6. Step 6: Final answer
    x = 13,027,727.06

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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.