Home / 11,009,513.40-16,481,610.90-8,182,159.80

Finding the Fourth Proportional to 11,009,513.40, 16,481,610.90 and 8,182,159.80

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Solution

The fourth proportional to 11,009,513.40, 16,481,610.90 and 8,182,159.80 is: 12,248,967.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009,513.40 : 16,481,610.90 = 8,182,159.80 : x
  2. Step 2: Convert to fraction form
    11,009,513.40/16,481,610.90 = 8,182,159.80/x
  3. Step 3: Cross multiply
    11,009,513.40x = 16,481,610.90 × 8,182,159.80
  4. Step 4: Simplify right side
    11,009,513.40x = 134,855,174,145,221.81
  5. Step 5: Solve for x
    x = 134,855,174,145,221.81/11,009,513.40
  6. Step 6: Final answer
    x = 12,248,967.71

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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.