Home / 12,886,509.36-17,783,453.22-7,588,435.44

Finding the Fourth Proportional to 12,886,509.36, 17,783,453.22 and 7,588,435.44

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Solution

The fourth proportional to 12,886,509.36, 17,783,453.22 and 7,588,435.44 is: 10,472,082.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886,509.36 : 17,783,453.22 = 7,588,435.44 : x
  2. Step 2: Convert to fraction form
    12,886,509.36/17,783,453.22 = 7,588,435.44/x
  3. Step 3: Cross multiply
    12,886,509.36x = 17,783,453.22 × 7,588,435.44
  4. Step 4: Simplify right side
    12,886,509.36x = 134,948,586,660,230.11
  5. Step 5: Solve for x
    x = 134,948,586,660,230.11/12,886,509.36
  6. Step 6: Final answer
    x = 10,472,082.31

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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.