Home / 15,285,245.30-22,919,076.20-9,143,361.98

Finding the Fourth Proportional to 15,285,245.30, 22,919,076.20 and 9,143,361.98

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Solution

The fourth proportional to 15,285,245.30, 22,919,076.20 and 9,143,361.98 is: 13,709,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285,245.30 : 22,919,076.20 = 9,143,361.98 : x
  2. Step 2: Convert to fraction form
    15,285,245.30/22,919,076.20 = 9,143,361.98/x
  3. Step 3: Cross multiply
    15,285,245.30x = 22,919,076.20 × 9,143,361.98
  4. Step 4: Simplify right side
    15,285,245.30x = 209,557,409,943,802.88
  5. Step 5: Solve for x
    x = 209,557,409,943,802.88/15,285,245.30
  6. Step 6: Final answer
    x = 13,709,783.90

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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.