Home / 13,935,782.25-19,231,379.55-7,824,341.97

Finding the Fourth Proportional to 13,935,782.25, 19,231,379.55 and 7,824,341.97

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Solution

The fourth proportional to 13,935,782.25, 19,231,379.55 and 7,824,341.97 is: 10,797,591.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935,782.25 : 19,231,379.55 = 7,824,341.97 : x
  2. Step 2: Convert to fraction form
    13,935,782.25/19,231,379.55 = 7,824,341.97/x
  3. Step 3: Cross multiply
    13,935,782.25x = 19,231,379.55 × 7,824,341.97
  4. Step 4: Simplify right side
    13,935,782.25x = 150,472,890,154,064.72
  5. Step 5: Solve for x
    x = 150,472,890,154,064.72/13,935,782.25
  6. Step 6: Final answer
    x = 10,797,591.94

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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.