Home / 20,244,516-27,937,432.11-11,077,158.78

Finding the Fourth Proportional to 20,244,516, 27,937,432.11 and 11,077,158.78

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Solution

The fourth proportional to 20,244,516, 27,937,432.11 and 11,077,158.78 is: 15,286,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244,516 : 27,937,432.11 = 11,077,158.78 : x
  2. Step 2: Convert to fraction form
    20,244,516/27,937,432.11 = 11,077,158.78/x
  3. Step 3: Cross multiply
    20,244,516x = 27,937,432.11 × 11,077,158.78
  4. Step 4: Simplify right side
    20,244,516x = 309,467,371,387,940.38
  5. Step 5: Solve for x
    x = 309,467,371,387,940.38/20,244,516
  6. Step 6: Final answer
    x = 15,286,479.13

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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.