Home / 12,499,516.32-18,749,916-3,524,768.16

Finding the Fourth Proportional to 12,499,516.32, 18,749,916 and 3,524,768.16

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Solution

The fourth proportional to 12,499,516.32, 18,749,916 and 3,524,768.16 is: 5,287,333.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,499,516.32 : 18,749,916 = 3,524,768.16 : x
  2. Step 2: Convert to fraction form
    12,499,516.32/18,749,916 = 3,524,768.16/x
  3. Step 3: Cross multiply
    12,499,516.32x = 18,749,916 × 3,524,768.16
  4. Step 4: Simplify right side
    12,499,516.32x = 66,089,106,919,474.56
  5. Step 5: Solve for x
    x = 66,089,106,919,474.56/12,499,516.32
  6. Step 6: Final answer
    x = 5,287,333.14

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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.