Home / 13,204,739.70-19,807,109.55-11,525,123.70

Finding the Fourth Proportional to 13,204,739.70, 19,807,109.55 and 11,525,123.70

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Solution

The fourth proportional to 13,204,739.70, 19,807,109.55 and 11,525,123.70 is: 17,287,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204,739.70 : 19,807,109.55 = 11,525,123.70 : x
  2. Step 2: Convert to fraction form
    13,204,739.70/19,807,109.55 = 11,525,123.70/x
  3. Step 3: Cross multiply
    13,204,739.70x = 19,807,109.55 × 11,525,123.70
  4. Step 4: Simplify right side
    13,204,739.70x = 228,279,387,703,201.34
  5. Step 5: Solve for x
    x = 228,279,387,703,201.34/13,204,739.70
  6. Step 6: Final answer
    x = 17,287,685.55

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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.