Home / 9,171,668-12,669,852.15-7,348,234.88

Finding the Fourth Proportional to 9,171,668, 12,669,852.15 and 7,348,234.88

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Solution

The fourth proportional to 9,171,668, 12,669,852.15 and 7,348,234.88 is: 10,150,939.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171,668 : 12,669,852.15 = 7,348,234.88 : x
  2. Step 2: Convert to fraction form
    9,171,668/12,669,852.15 = 7,348,234.88/x
  3. Step 3: Cross multiply
    9,171,668x = 12,669,852.15 × 7,348,234.88
  4. Step 4: Simplify right side
    9,171,668x = 93,101,049,493,073
  5. Step 5: Solve for x
    x = 93,101,049,493,073/9,171,668
  6. Step 6: Final answer
    x = 10,150,939.77

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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.