Home / 22,042,015.92-30,420,442.62-13,344,981.12

Finding the Fourth Proportional to 22,042,015.92, 30,420,442.62 and 13,344,981.12

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Solution

The fourth proportional to 22,042,015.92, 30,420,442.62 and 13,344,981.12 is: 18,417,563.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,042,015.92 : 30,420,442.62 = 13,344,981.12 : x
  2. Step 2: Convert to fraction form
    22,042,015.92/30,420,442.62 = 13,344,981.12/x
  3. Step 3: Cross multiply
    22,042,015.92x = 30,420,442.62 × 13,344,981.12
  4. Step 4: Simplify right side
    22,042,015.92x = 405,960,232,425,943.31
  5. Step 5: Solve for x
    x = 405,960,232,425,943.31/22,042,015.92
  6. Step 6: Final answer
    x = 18,417,563.71

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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.