Home / 11,753,882.40-17,630,823.60-7,946,752.80

Finding the Fourth Proportional to 11,753,882.40, 17,630,823.60 and 7,946,752.80

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Solution

The fourth proportional to 11,753,882.40, 17,630,823.60 and 7,946,752.80 is: 11,920,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,753,882.40 : 17,630,823.60 = 7,946,752.80 : x
  2. Step 2: Convert to fraction form
    11,753,882.40/17,630,823.60 = 7,946,752.80/x
  3. Step 3: Cross multiply
    11,753,882.40x = 17,630,823.60 × 7,946,752.80
  4. Step 4: Simplify right side
    11,753,882.40x = 140,107,796,809,606.09
  5. Step 5: Solve for x
    x = 140,107,796,809,606.09/11,753,882.40
  6. Step 6: Final answer
    x = 11,920,129.20

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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.