Home / 16,464,138.23-22,720,493.01-9,021,981.72

Finding the Fourth Proportional to 16,464,138.23, 22,720,493.01 and 9,021,981.72

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Solution

The fourth proportional to 16,464,138.23, 22,720,493.01 and 9,021,981.72 is: 12,450,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,464,138.23 : 22,720,493.01 = 9,021,981.72 : x
  2. Step 2: Convert to fraction form
    16,464,138.23/22,720,493.01 = 9,021,981.72/x
  3. Step 3: Cross multiply
    16,464,138.23x = 22,720,493.01 × 9,021,981.72
  4. Step 4: Simplify right side
    16,464,138.23x = 204,983,872,560,497.88
  5. Step 5: Solve for x
    x = 204,983,872,560,497.88/16,464,138.23
  6. Step 6: Final answer
    x = 12,450,325.05

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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.