Home / 18,388,115.07-25,375,597.59-10,657,641.42

Finding the Fourth Proportional to 18,388,115.07, 25,375,597.59 and 10,657,641.42

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Solution

The fourth proportional to 18,388,115.07, 25,375,597.59 and 10,657,641.42 is: 14,707,544.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,115.07 : 25,375,597.59 = 10,657,641.42 : x
  2. Step 2: Convert to fraction form
    18,388,115.07/25,375,597.59 = 10,657,641.42/x
  3. Step 3: Cross multiply
    18,388,115.07x = 25,375,597.59 × 10,657,641.42
  4. Step 4: Simplify right side
    18,388,115.07x = 270,444,019,932,436.19
  5. Step 5: Solve for x
    x = 270,444,019,932,436.19/18,388,115.07
  6. Step 6: Final answer
    x = 14,707,544.46

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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.