Home / 18,388,119.39-25,375,603.53-10,657,645.77

Finding the Fourth Proportional to 18,388,119.39, 25,375,603.53 and 10,657,645.77

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Solution

The fourth proportional to 18,388,119.39, 25,375,603.53 and 10,657,645.77 is: 14,707,550.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,119.39 : 25,375,603.53 = 10,657,645.77 : x
  2. Step 2: Convert to fraction form
    18,388,119.39/25,375,603.53 = 10,657,645.77/x
  3. Step 3: Cross multiply
    18,388,119.39x = 25,375,603.53 × 10,657,645.77
  4. Step 4: Simplify right side
    18,388,119.39x = 270,444,193,622,701.56
  5. Step 5: Solve for x
    x = 270,444,193,622,701.56/18,388,119.39
  6. Step 6: Final answer
    x = 14,707,550.45

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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.