Home / 30,922,862.97-42,673,627.40-17,171,826.69

Finding the Fourth Proportional to 30,922,862.97, 42,673,627.40 and 17,171,826.69

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Solution

The fourth proportional to 30,922,862.97, 42,673,627.40 and 17,171,826.69 is: 23,697,163.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,922,862.97 : 42,673,627.40 = 17,171,826.69 : x
  2. Step 2: Convert to fraction form
    30,922,862.97/42,673,627.40 = 17,171,826.69/x
  3. Step 3: Cross multiply
    30,922,862.97x = 42,673,627.40 × 17,171,826.69
  4. Step 4: Simplify right side
    30,922,862.97x = 732,784,133,860,576.25
  5. Step 5: Solve for x
    x = 732,784,133,860,576.25/30,922,862.97
  6. Step 6: Final answer
    x = 23,697,163.31

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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.