Home / 21,514,355.78-29,689,811.44-11,856,563.78

Finding the Fourth Proportional to 21,514,355.78, 29,689,811.44 and 11,856,563.78

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Solution

The fourth proportional to 21,514,355.78, 29,689,811.44 and 11,856,563.78 is: 16,362,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514,355.78 : 29,689,811.44 = 11,856,563.78 : x
  2. Step 2: Convert to fraction form
    21,514,355.78/29,689,811.44 = 11,856,563.78/x
  3. Step 3: Cross multiply
    21,514,355.78x = 29,689,811.44 × 11,856,563.78
  4. Step 4: Simplify right side
    21,514,355.78x = 352,019,142,954,533.62
  5. Step 5: Solve for x
    x = 352,019,142,954,533.62/21,514,355.78
  6. Step 6: Final answer
    x = 16,362,058.27

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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.