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Finding the Fourth Proportional to 8,599,157.42, 11,866,481.44 and 4,678,929.67

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Solution

The fourth proportional to 8,599,157.42, 11,866,481.44 and 4,678,929.67 is: 6,456,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599,157.42 : 11,866,481.44 = 4,678,929.67 : x
  2. Step 2: Convert to fraction form
    8,599,157.42/11,866,481.44 = 4,678,929.67/x
  3. Step 3: Cross multiply
    8,599,157.42x = 11,866,481.44 × 4,678,929.67
  4. Step 4: Simplify right side
    8,599,157.42x = 55,522,432,046,756.80
  5. Step 5: Solve for x
    x = 55,522,432,046,756.80/8,599,157.42
  6. Step 6: Final answer
    x = 6,456,729.35

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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.