Home / 10,120,182.21-15,180,317.76-3,203,695.56

Finding the Fourth Proportional to 10,120,182.21, 15,180,317.76 and 3,203,695.56

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Solution

The fourth proportional to 10,120,182.21, 15,180,317.76 and 3,203,695.56 is: 4,805,557.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120,182.21 : 15,180,317.76 = 3,203,695.56 : x
  2. Step 2: Convert to fraction form
    10,120,182.21/15,180,317.76 = 3,203,695.56/x
  3. Step 3: Cross multiply
    10,120,182.21x = 15,180,317.76 × 3,203,695.56
  4. Step 4: Simplify right side
    10,120,182.21x = 48,633,116,607,101.15
  5. Step 5: Solve for x
    x = 48,633,116,607,101.15/10,120,182.21
  6. Step 6: Final answer
    x = 4,805,557.41

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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.