Home / 16,464,138.11-22,720,492.83-9,021,981.60

Finding the Fourth Proportional to 16,464,138.11, 22,720,492.83 and 9,021,981.60

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Solution

The fourth proportional to 16,464,138.11, 22,720,492.83 and 9,021,981.60 is: 12,450,324.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,464,138.11 : 22,720,492.83 = 9,021,981.60 : x
  2. Step 2: Convert to fraction form
    16,464,138.11/22,720,492.83 = 9,021,981.60/x
  3. Step 3: Cross multiply
    16,464,138.11x = 22,720,492.83 × 9,021,981.60
  4. Step 4: Simplify right side
    16,464,138.11x = 204,983,868,255,191.91
  5. Step 5: Solve for x
    x = 204,983,868,255,191.91/16,464,138.11
  6. Step 6: Final answer
    x = 12,450,324.88

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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.