Home / 14,947,665.80-20,627,778.69-8,072,147.26

Finding the Fourth Proportional to 14,947,665.80, 20,627,778.69 and 8,072,147.26

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Solution

The fourth proportional to 14,947,665.80, 20,627,778.69 and 8,072,147.26 is: 11,139,563.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947,665.80 : 20,627,778.69 = 8,072,147.26 : x
  2. Step 2: Convert to fraction form
    14,947,665.80/20,627,778.69 = 8,072,147.26/x
  3. Step 3: Cross multiply
    14,947,665.80x = 20,627,778.69 × 8,072,147.26
  4. Step 4: Simplify right side
    14,947,665.80x = 166,510,467,088,870.25
  5. Step 5: Solve for x
    x = 166,510,467,088,870.25/14,947,665.80
  6. Step 6: Final answer
    x = 11,139,563.15

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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.