Home / 14,623,665.90-20,174,406.39-8,819,147.58

Finding the Fourth Proportional to 14,623,665.90, 20,174,406.39 and 8,819,147.58

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Solution

The fourth proportional to 14,623,665.90, 20,174,406.39 and 8,819,147.58 is: 12,166,652.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,623,665.90 : 20,174,406.39 = 8,819,147.58 : x
  2. Step 2: Convert to fraction form
    14,623,665.90/20,174,406.39 = 8,819,147.58/x
  3. Step 3: Cross multiply
    14,623,665.90x = 20,174,406.39 × 8,819,147.58
  4. Step 4: Simplify right side
    14,623,665.90x = 177,921,067,292,305.03
  5. Step 5: Solve for x
    x = 177,921,067,292,305.03/14,623,665.90
  6. Step 6: Final answer
    x = 12,166,652.91

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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.