Home / 21,296,229.12-31,944,317.76-5,122,172.16

Finding the Fourth Proportional to 21,296,229.12, 31,944,317.76 and 5,122,172.16

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Solution

The fourth proportional to 21,296,229.12, 31,944,317.76 and 5,122,172.16 is: 7,683,252.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,296,229.12 : 31,944,317.76 = 5,122,172.16 : x
  2. Step 2: Convert to fraction form
    21,296,229.12/31,944,317.76 = 5,122,172.16/x
  3. Step 3: Cross multiply
    21,296,229.12x = 31,944,317.76 × 5,122,172.16
  4. Step 4: Simplify right side
    21,296,229.12x = 163,624,295,100,465.56
  5. Step 5: Solve for x
    x = 163,624,295,100,465.56/21,296,229.12
  6. Step 6: Final answer
    x = 7,683,252.01

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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.