Home / 13,216,768.50-19,825,125.36-7,456,887.48

Finding the Fourth Proportional to 13,216,768.50, 19,825,125.36 and 7,456,887.48

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Solution

The fourth proportional to 13,216,768.50, 19,825,125.36 and 7,456,887.48 is: 11,185,315.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216,768.50 : 19,825,125.36 = 7,456,887.48 : x
  2. Step 2: Convert to fraction form
    13,216,768.50/19,825,125.36 = 7,456,887.48/x
  3. Step 3: Cross multiply
    13,216,768.50x = 19,825,125.36 × 7,456,887.48
  4. Step 4: Simplify right side
    13,216,768.50x = 147,833,729,086,414.50
  5. Step 5: Solve for x
    x = 147,833,729,086,414.50/13,216,768.50
  6. Step 6: Final answer
    x = 11,185,315.77

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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.