Home / 30,692,146.80-42,352,147.88-16,940,225.20

Finding the Fourth Proportional to 30,692,146.80, 42,352,147.88 and 16,940,225.20

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Solution

The fourth proportional to 30,692,146.80, 42,352,147.88 and 16,940,225.20 is: 23,375,846.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,692,146.80 : 42,352,147.88 = 16,940,225.20 : x
  2. Step 2: Convert to fraction form
    30,692,146.80/42,352,147.88 = 16,940,225.20/x
  3. Step 3: Cross multiply
    30,692,146.80x = 42,352,147.88 × 16,940,225.20
  4. Step 4: Simplify right side
    30,692,146.80x = 717,454,922,790,902.62
  5. Step 5: Solve for x
    x = 717,454,922,790,902.62/30,692,146.80
  6. Step 6: Final answer
    x = 23,375,846.84

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1.5x scale

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.