Home / 30,509,862.79-42,103,919.92-16,571,352.57

Finding the Fourth Proportional to 30,509,862.79, 42,103,919.92 and 16,571,352.57

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Solution

The fourth proportional to 30,509,862.79, 42,103,919.92 and 16,571,352.57 is: 22,868,634.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,509,862.79 : 42,103,919.92 = 16,571,352.57 : x
  2. Step 2: Convert to fraction form
    30,509,862.79/42,103,919.92 = 16,571,352.57/x
  3. Step 3: Cross multiply
    30,509,862.79x = 42,103,919.92 × 16,571,352.57
  4. Step 4: Simplify right side
    30,509,862.79x = 697,718,901,664,286.88
  5. Step 5: Solve for x
    x = 697,718,901,664,286.88/30,509,862.79
  6. Step 6: Final answer
    x = 22,868,634.53

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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.