Home / 12,434,679.88-18,631,399.44-7,562,248.60

Finding the Fourth Proportional to 12,434,679.88, 18,631,399.44 and 7,562,248.60

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Solution

The fourth proportional to 12,434,679.88, 18,631,399.44 and 7,562,248.60 is: 11,330,832.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434,679.88 : 18,631,399.44 = 7,562,248.60 : x
  2. Step 2: Convert to fraction form
    12,434,679.88/18,631,399.44 = 7,562,248.60/x
  3. Step 3: Cross multiply
    12,434,679.88x = 18,631,399.44 × 7,562,248.60
  4. Step 4: Simplify right side
    12,434,679.88x = 140,895,274,331,180.78
  5. Step 5: Solve for x
    x = 140,895,274,331,180.78/12,434,679.88
  6. Step 6: Final answer
    x = 11,330,832.45

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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.