Home / 8,301,131.80-12,453,447.30-2,621,930.20

Finding the Fourth Proportional to 8,301,131.80, 12,453,447.30 and 2,621,930.20

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Solution

The fourth proportional to 8,301,131.80, 12,453,447.30 and 2,621,930.20 is: 3,933,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301,131.80 : 12,453,447.30 = 2,621,930.20 : x
  2. Step 2: Convert to fraction form
    8,301,131.80/12,453,447.30 = 2,621,930.20/x
  3. Step 3: Cross multiply
    8,301,131.80x = 12,453,447.30 × 2,621,930.20
  4. Step 4: Simplify right side
    8,301,131.80x = 32,652,069,569,978.46
  5. Step 5: Solve for x
    x = 32,652,069,569,978.46/8,301,131.80
  6. Step 6: Final answer
    x = 3,933,447.91

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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.