Home / 13,171,726.48-19,743,176.76-6,782,362.24

Finding the Fourth Proportional to 13,171,726.48, 19,743,176.76 and 6,782,362.24

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Solution

The fourth proportional to 13,171,726.48, 19,743,176.76 and 6,782,362.24 is: 10,166,121.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171,726.48 : 19,743,176.76 = 6,782,362.24 : x
  2. Step 2: Convert to fraction form
    13,171,726.48/19,743,176.76 = 6,782,362.24/x
  3. Step 3: Cross multiply
    13,171,726.48x = 19,743,176.76 × 6,782,362.24
  4. Step 4: Simplify right side
    13,171,726.48x = 133,905,376,554,669.56
  5. Step 5: Solve for x
    x = 133,905,376,554,669.56/13,171,726.48
  6. Step 6: Final answer
    x = 10,166,121.86

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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.