Home / 10,649,447.20-15,957,915.96-6,322,977.72

Finding the Fourth Proportional to 10,649,447.20, 15,957,915.96 and 6,322,977.72

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Solution

The fourth proportional to 10,649,447.20, 15,957,915.96 and 6,322,977.72 is: 9,474,815.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649,447.20 : 15,957,915.96 = 6,322,977.72 : x
  2. Step 2: Convert to fraction form
    10,649,447.20/15,957,915.96 = 6,322,977.72/x
  3. Step 3: Cross multiply
    10,649,447.20x = 15,957,915.96 × 6,322,977.72
  4. Step 4: Simplify right side
    10,649,447.20x = 100,901,547,072,712.41
  5. Step 5: Solve for x
    x = 100,901,547,072,712.41/10,649,447.20
  6. Step 6: Final answer
    x = 9,474,815.47

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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.