Home / 18,947,735.87-26,146,366.85-10,685,147.81

Finding the Fourth Proportional to 18,947,735.87, 26,146,366.85 and 10,685,147.81

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Solution

The fourth proportional to 18,947,735.87, 26,146,366.85 and 10,685,147.81 is: 14,744,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947,735.87 : 26,146,366.85 = 10,685,147.81 : x
  2. Step 2: Convert to fraction form
    18,947,735.87/26,146,366.85 = 10,685,147.81/x
  3. Step 3: Cross multiply
    18,947,735.87x = 26,146,366.85 × 10,685,147.81
  4. Step 4: Simplify right side
    18,947,735.87x = 279,377,794,382,715.12
  5. Step 5: Solve for x
    x = 279,377,794,382,715.12/18,947,735.87
  6. Step 6: Final answer
    x = 14,744,653.21

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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.