Home / 15,530,560.56-21,432,245.34-9,008,051.76

Finding the Fourth Proportional to 15,530,560.56, 21,432,245.34 and 9,008,051.76

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Solution

The fourth proportional to 15,530,560.56, 21,432,245.34 and 9,008,051.76 is: 12,431,153.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,530,560.56 : 21,432,245.34 = 9,008,051.76 : x
  2. Step 2: Convert to fraction form
    15,530,560.56/21,432,245.34 = 9,008,051.76/x
  3. Step 3: Cross multiply
    15,530,560.56x = 21,432,245.34 × 9,008,051.76
  4. Step 4: Simplify right side
    15,530,560.56x = 193,062,775,355,738.78
  5. Step 5: Solve for x
    x = 193,062,775,355,738.78/15,530,560.56
  6. Step 6: Final answer
    x = 12,431,153.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.