Home / 12,129,374.55-18,194,061.83-11,137,351.35

Finding the Fourth Proportional to 12,129,374.55, 18,194,061.83 and 11,137,351.35

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Solution

The fourth proportional to 12,129,374.55, 18,194,061.83 and 11,137,351.35 is: 16,706,027.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,374.55 : 18,194,061.83 = 11,137,351.35 : x
  2. Step 2: Convert to fraction form
    12,129,374.55/18,194,061.83 = 11,137,351.35/x
  3. Step 3: Cross multiply
    12,129,374.55x = 18,194,061.83 × 11,137,351.35
  4. Step 4: Simplify right side
    12,129,374.55x = 202,633,659,028,647.19
  5. Step 5: Solve for x
    x = 202,633,659,028,647.19/12,129,374.55
  6. Step 6: Final answer
    x = 16,706,027.03

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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.