Home / 30,543,639.62-42,149,145.78-16,792,498.04

Finding the Fourth Proportional to 30,543,639.62, 42,149,145.78 and 16,792,498.04

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Solution

The fourth proportional to 30,543,639.62, 42,149,145.78 and 16,792,498.04 is: 23,173,055.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,543,639.62 : 42,149,145.78 = 16,792,498.04 : x
  2. Step 2: Convert to fraction form
    30,543,639.62/42,149,145.78 = 16,792,498.04/x
  3. Step 3: Cross multiply
    30,543,639.62x = 42,149,145.78 × 16,792,498.04
  4. Step 4: Simplify right side
    30,543,639.62x = 707,789,447,898,324.25
  5. Step 5: Solve for x
    x = 707,789,447,898,324.25/30,543,639.62
  6. Step 6: Final answer
    x = 23,173,055.23

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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.