Home / 13,935,772.78-19,231,366.44-7,824,332.50

Finding the Fourth Proportional to 13,935,772.78, 19,231,366.44 and 7,824,332.50

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Solution

The fourth proportional to 13,935,772.78, 19,231,366.44 and 7,824,332.50 is: 10,797,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935,772.78 : 19,231,366.44 = 7,824,332.50 : x
  2. Step 2: Convert to fraction form
    13,935,772.78/19,231,366.44 = 7,824,332.50/x
  3. Step 3: Cross multiply
    13,935,772.78x = 19,231,366.44 × 7,824,332.50
  4. Step 4: Simplify right side
    13,935,772.78x = 150,472,605,455,901.31
  5. Step 5: Solve for x
    x = 150,472,605,455,901.31/13,935,772.78
  6. Step 6: Final answer
    x = 10,797,578.85

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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.