Home / 13,927,285.72-19,221,531.42-7,816,049.56

Finding the Fourth Proportional to 13,927,285.72, 19,221,531.42 and 7,816,049.56

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Solution

The fourth proportional to 13,927,285.72, 19,221,531.42 and 7,816,049.56 is: 10,787,201.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927,285.72 : 19,221,531.42 = 7,816,049.56 : x
  2. Step 2: Convert to fraction form
    13,927,285.72/19,221,531.42 = 7,816,049.56/x
  3. Step 3: Cross multiply
    13,927,285.72x = 19,221,531.42 × 7,816,049.56
  4. Step 4: Simplify right side
    13,927,285.72x = 150,236,442,197,817.19
  5. Step 5: Solve for x
    x = 150,236,442,197,817.19/13,927,285.72
  6. Step 6: Final answer
    x = 10,787,201.84

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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.