Home / 19,939,562.31-27,525,789.14-11,678,484.19

Finding the Fourth Proportional to 19,939,562.31, 27,525,789.14 and 11,678,484.19

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Solution

The fourth proportional to 19,939,562.31, 27,525,789.14 and 11,678,484.19 is: 16,121,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939,562.31 : 27,525,789.14 = 11,678,484.19 : x
  2. Step 2: Convert to fraction form
    19,939,562.31/27,525,789.14 = 11,678,484.19/x
  3. Step 3: Cross multiply
    19,939,562.31x = 27,525,789.14 × 11,678,484.19
  4. Step 4: Simplify right side
    19,939,562.31x = 321,459,493,151,134.75
  5. Step 5: Solve for x
    x = 321,459,493,151,134.75/19,939,562.31
  6. Step 6: Final answer
    x = 16,121,692.55

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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.