Home / 20,205,186.12-30,319,735.86-7,434,658.44

Finding the Fourth Proportional to 20,205,186.12, 30,319,735.86 and 7,434,658.44

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Solution

The fourth proportional to 20,205,186.12, 30,319,735.86 and 7,434,658.44 is: 11,156,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,205,186.12 : 30,319,735.86 = 7,434,658.44 : x
  2. Step 2: Convert to fraction form
    20,205,186.12/30,319,735.86 = 7,434,658.44/x
  3. Step 3: Cross multiply
    20,205,186.12x = 30,319,735.86 × 7,434,658.44
  4. Step 4: Simplify right side
    20,205,186.12x = 225,416,880,110,119.66
  5. Step 5: Solve for x
    x = 225,416,880,110,119.66/20,205,186.12
  6. Step 6: Final answer
    x = 11,156,387.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.