Home / 12,235,113.32-16,884,014.64-6,728,441.72

Finding the Fourth Proportional to 12,235,113.32, 16,884,014.64 and 6,728,441.72

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Solution

The fourth proportional to 12,235,113.32, 16,884,014.64 and 6,728,441.72 is: 9,285,006.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235,113.32 : 16,884,014.64 = 6,728,441.72 : x
  2. Step 2: Convert to fraction form
    12,235,113.32/16,884,014.64 = 6,728,441.72/x
  3. Step 3: Cross multiply
    12,235,113.32x = 16,884,014.64 × 6,728,441.72
  4. Step 4: Simplify right side
    12,235,113.32x = 113,603,108,504,866.78
  5. Step 5: Solve for x
    x = 113,603,108,504,866.78/12,235,113.32
  6. Step 6: Final answer
    x = 9,285,006.65

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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.