Home / 8,048,438.20-12,072,657.30-7,481,567.80

Finding the Fourth Proportional to 8,048,438.20, 12,072,657.30 and 7,481,567.80

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Solution

The fourth proportional to 8,048,438.20, 12,072,657.30 and 7,481,567.80 is: 11,222,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,048,438.20 : 12,072,657.30 = 7,481,567.80 : x
  2. Step 2: Convert to fraction form
    8,048,438.20/12,072,657.30 = 7,481,567.80/x
  3. Step 3: Cross multiply
    8,048,438.20x = 12,072,657.30 × 7,481,567.80
  4. Step 4: Simplify right side
    8,048,438.20x = 90,322,404,116,114.94
  5. Step 5: Solve for x
    x = 90,322,404,116,114.94/8,048,438.20
  6. Step 6: Final answer
    x = 11,222,351.70

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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.