Home / 22,470,178.24-31,030,261.96-21,246,019.56

Finding the Fourth Proportional to 22,470,178.24, 31,030,261.96 and 21,246,019.56

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Solution

The fourth proportional to 22,470,178.24, 31,030,261.96 and 21,246,019.56 is: 29,339,756.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,470,178.24 : 31,030,261.96 = 21,246,019.56 : x
  2. Step 2: Convert to fraction form
    22,470,178.24/31,030,261.96 = 21,246,019.56/x
  3. Step 3: Cross multiply
    22,470,178.24x = 31,030,261.96 × 21,246,019.56
  4. Step 4: Simplify right side
    22,470,178.24x = 659,269,552,554,083.88
  5. Step 5: Solve for x
    x = 659,269,552,554,083.88/22,470,178.24
  6. Step 6: Final answer
    x = 29,339,756.25

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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.