Home / 21,978,683.20-32,972,785.62-6,624,688.42

Finding the Fourth Proportional to 21,978,683.20, 32,972,785.62 and 6,624,688.42

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Solution

The fourth proportional to 21,978,683.20, 32,972,785.62 and 6,624,688.42 is: 9,938,467.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,978,683.20 : 32,972,785.62 = 6,624,688.42 : x
  2. Step 2: Convert to fraction form
    21,978,683.20/32,972,785.62 = 6,624,688.42/x
  3. Step 3: Cross multiply
    21,978,683.20x = 32,972,785.62 × 6,624,688.42
  4. Step 4: Simplify right side
    21,978,683.20x = 218,434,431,071,956.53
  5. Step 5: Solve for x
    x = 218,434,431,071,956.53/21,978,683.20
  6. Step 6: Final answer
    x = 9,938,467.61

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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.