Home / 13,701,604.54-18,908,228.94-7,422,146.38

Finding the Fourth Proportional to 13,701,604.54, 18,908,228.94 and 7,422,146.38

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Solution

The fourth proportional to 13,701,604.54, 18,908,228.94 and 7,422,146.38 is: 10,242,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701,604.54 : 18,908,228.94 = 7,422,146.38 : x
  2. Step 2: Convert to fraction form
    13,701,604.54/18,908,228.94 = 7,422,146.38/x
  3. Step 3: Cross multiply
    13,701,604.54x = 18,908,228.94 × 7,422,146.38
  4. Step 4: Simplify right side
    13,701,604.54x = 140,339,642,979,232.25
  5. Step 5: Solve for x
    x = 140,339,642,979,232.25/13,701,604.54
  6. Step 6: Final answer
    x = 10,242,569.95

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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.