Home / 18,338,784.57-25,308,092.25-10,078,696.69

Finding the Fourth Proportional to 18,338,784.57, 25,308,092.25 and 10,078,696.69

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Solution

The fourth proportional to 18,338,784.57, 25,308,092.25 and 10,078,696.69 is: 13,908,914.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,784.57 : 25,308,092.25 = 10,078,696.69 : x
  2. Step 2: Convert to fraction form
    18,338,784.57/25,308,092.25 = 10,078,696.69/x
  3. Step 3: Cross multiply
    18,338,784.57x = 25,308,092.25 × 10,078,696.69
  4. Step 4: Simplify right side
    18,338,784.57x = 255,072,585,527,019.44
  5. Step 5: Solve for x
    x = 255,072,585,527,019.44/18,338,784.57
  6. Step 6: Final answer
    x = 13,908,914.44

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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.