Home / 13,935,774.78-19,231,369.20-7,824,334.50

Finding the Fourth Proportional to 13,935,774.78, 19,231,369.20 and 7,824,334.50

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Solution

The fourth proportional to 13,935,774.78, 19,231,369.20 and 7,824,334.50 is: 10,797,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935,774.78 : 19,231,369.20 = 7,824,334.50 : x
  2. Step 2: Convert to fraction form
    13,935,774.78/19,231,369.20 = 7,824,334.50/x
  3. Step 3: Cross multiply
    13,935,774.78x = 19,231,369.20 × 7,824,334.50
  4. Step 4: Simplify right side
    13,935,774.78x = 150,472,665,513,797.41
  5. Step 5: Solve for x
    x = 150,472,665,513,797.41/13,935,774.78
  6. Step 6: Final answer
    x = 10,797,581.61

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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.