Home / 13,786,424.30-19,012,880.31-8,630,255.90

Finding the Fourth Proportional to 13,786,424.30, 19,012,880.31 and 8,630,255.90

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Solution

The fourth proportional to 13,786,424.30, 19,012,880.31 and 8,630,255.90 is: 11,902,000.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786,424.30 : 19,012,880.31 = 8,630,255.90 : x
  2. Step 2: Convert to fraction form
    13,786,424.30/19,012,880.31 = 8,630,255.90/x
  3. Step 3: Cross multiply
    13,786,424.30x = 19,012,880.31 × 8,630,255.90
  4. Step 4: Simplify right side
    13,786,424.30x = 164,086,022,471,371.31
  5. Step 5: Solve for x
    x = 164,086,022,471,371.31/13,786,424.30
  6. Step 6: Final answer
    x = 11,902,000.03

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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.