Home / 12,631,405.83-18,939,856.05-4,946,052.44

Finding the Fourth Proportional to 12,631,405.83, 18,939,856.05 and 4,946,052.44

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Solution

The fourth proportional to 12,631,405.83, 18,939,856.05 and 4,946,052.44 is: 7,416,238.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631,405.83 : 18,939,856.05 = 4,946,052.44 : x
  2. Step 2: Convert to fraction form
    12,631,405.83/18,939,856.05 = 4,946,052.44/x
  3. Step 3: Cross multiply
    12,631,405.83x = 18,939,856.05 × 4,946,052.44
  4. Step 4: Simplify right side
    12,631,405.83x = 93,677,521,229,351.28
  5. Step 5: Solve for x
    x = 93,677,521,229,351.28/12,631,405.83
  6. Step 6: Final answer
    x = 7,416,238.74

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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.