Home / 18,338,081.39-25,307,159.19-10,078,436.36

Finding the Fourth Proportional to 18,338,081.39, 25,307,159.19 and 10,078,436.36

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Solution

The fourth proportional to 18,338,081.39, 25,307,159.19 and 10,078,436.36 is: 13,908,575.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,081.39 : 25,307,159.19 = 10,078,436.36 : x
  2. Step 2: Convert to fraction form
    18,338,081.39/25,307,159.19 = 10,078,436.36/x
  3. Step 3: Cross multiply
    18,338,081.39x = 25,307,159.19 × 10,078,436.36
  4. Step 4: Simplify right side
    18,338,081.39x = 255,056,593,412,072.09
  5. Step 5: Solve for x
    x = 255,056,593,412,072.09/18,338,081.39
  6. Step 6: Final answer
    x = 13,908,575.72

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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.