Home / 18,366,816.69-25,381,163.57-13,775,166.45

Finding the Fourth Proportional to 18,366,816.69, 25,381,163.57 and 13,775,166.45

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Solution

The fourth proportional to 18,366,816.69, 25,381,163.57 and 13,775,166.45 is: 19,035,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366,816.69 : 25,381,163.57 = 13,775,166.45 : x
  2. Step 2: Convert to fraction form
    18,366,816.69/25,381,163.57 = 13,775,166.45/x
  3. Step 3: Cross multiply
    18,366,816.69x = 25,381,163.57 × 13,775,166.45
  4. Step 4: Simplify right side
    18,366,816.69x = 349,629,752,802,550.38
  5. Step 5: Solve for x
    x = 349,629,752,802,550.38/18,366,816.69
  6. Step 6: Final answer
    x = 19,035,947.20

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Double scale
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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.