Home / 12,806,401.37-19,210,947.78-4,171,174.23

Finding the Fourth Proportional to 12,806,401.37, 19,210,947.78 and 4,171,174.23

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Solution

The fourth proportional to 12,806,401.37, 19,210,947.78 and 4,171,174.23 is: 6,257,199.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806,401.37 : 19,210,947.78 = 4,171,174.23 : x
  2. Step 2: Convert to fraction form
    12,806,401.37/19,210,947.78 = 4,171,174.23/x
  3. Step 3: Cross multiply
    12,806,401.37x = 19,210,947.78 × 4,171,174.23
  4. Step 4: Simplify right side
    12,806,401.37x = 80,132,210,269,970.22
  5. Step 5: Solve for x
    x = 80,132,210,269,970.22/12,806,401.37
  6. Step 6: Final answer
    x = 6,257,199.66

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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.