Home / 18,488,928.14-25,515,261.42-10,116,800.54

Finding the Fourth Proportional to 18,488,928.14, 25,515,261.42 and 10,116,800.54

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Solution

The fourth proportional to 18,488,928.14, 25,515,261.42 and 10,116,800.54 is: 13,961,480.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488,928.14 : 25,515,261.42 = 10,116,800.54 : x
  2. Step 2: Convert to fraction form
    18,488,928.14/25,515,261.42 = 10,116,800.54/x
  3. Step 3: Cross multiply
    18,488,928.14x = 25,515,261.42 × 10,116,800.54
  4. Step 4: Simplify right side
    18,488,928.14x = 258,132,810,512,097.16
  5. Step 5: Solve for x
    x = 258,132,810,512,097.16/18,488,928.14
  6. Step 6: Final answer
    x = 13,961,480.54

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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.