Home / 16,338,782.40-24,509,095.20-4,979,601.60

Finding the Fourth Proportional to 16,338,782.40, 24,509,095.20 and 4,979,601.60

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Solution

The fourth proportional to 16,338,782.40, 24,509,095.20 and 4,979,601.60 is: 7,469,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,338,782.40 : 24,509,095.20 = 4,979,601.60 : x
  2. Step 2: Convert to fraction form
    16,338,782.40/24,509,095.20 = 4,979,601.60/x
  3. Step 3: Cross multiply
    16,338,782.40x = 24,509,095.20 × 4,979,601.60
  4. Step 4: Simplify right side
    16,338,782.40x = 122,045,529,672,472.31
  5. Step 5: Solve for x
    x = 122,045,529,672,472.31/16,338,782.40
  6. Step 6: Final answer
    x = 7,469,683.28

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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.