Home / 11,947,828.74-17,908,180.32-10,505,720.94

Finding the Fourth Proportional to 11,947,828.74, 17,908,180.32 and 10,505,720.94

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Solution

The fourth proportional to 11,947,828.74, 17,908,180.32 and 10,505,720.94 is: 15,746,655.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947,828.74 : 17,908,180.32 = 10,505,720.94 : x
  2. Step 2: Convert to fraction form
    11,947,828.74/17,908,180.32 = 10,505,720.94/x
  3. Step 3: Cross multiply
    11,947,828.74x = 17,908,180.32 × 10,505,720.94
  4. Step 4: Simplify right side
    11,947,828.74x = 188,138,344,985,119.91
  5. Step 5: Solve for x
    x = 188,138,344,985,119.91/11,947,828.74
  6. Step 6: Final answer
    x = 15,746,655.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.