Home / 30,692,147.80-42,352,149.26-16,940,226.20

Finding the Fourth Proportional to 30,692,147.80, 42,352,149.26 and 16,940,226.20

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Solution

The fourth proportional to 30,692,147.80, 42,352,149.26 and 16,940,226.20 is: 23,375,848.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,692,147.80 : 42,352,149.26 = 16,940,226.20 : x
  2. Step 2: Convert to fraction form
    30,692,147.80/42,352,149.26 = 16,940,226.20/x
  3. Step 3: Cross multiply
    30,692,147.80x = 42,352,149.26 × 16,940,226.20
  4. Step 4: Simplify right side
    30,692,147.80x = 717,454,988,520,562.50
  5. Step 5: Solve for x
    x = 717,454,988,520,562.50/30,692,147.80
  6. Step 6: Final answer
    x = 23,375,848.22

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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.