Home / 11,753,621.40-17,630,432.10-7,946,491.80

Finding the Fourth Proportional to 11,753,621.40, 17,630,432.10 and 7,946,491.80

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Solution

The fourth proportional to 11,753,621.40, 17,630,432.10 and 7,946,491.80 is: 11,919,737.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,753,621.40 : 17,630,432.10 = 7,946,491.80 : x
  2. Step 2: Convert to fraction form
    11,753,621.40/17,630,432.10 = 7,946,491.80/x
  3. Step 3: Cross multiply
    11,753,621.40x = 17,630,432.10 × 7,946,491.80
  4. Step 4: Simplify right side
    11,753,621.40x = 140,100,084,113,106.78
  5. Step 5: Solve for x
    x = 140,100,084,113,106.78/11,753,621.40
  6. Step 6: Final answer
    x = 11,919,737.70

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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.