Home / 12,446,288.08-18,669,246.80-7,590,021.60

Finding the Fourth Proportional to 12,446,288.08, 18,669,246.80 and 7,590,021.60

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Solution

The fourth proportional to 12,446,288.08, 18,669,246.80 and 7,590,021.60 is: 11,384,919.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446,288.08 : 18,669,246.80 = 7,590,021.60 : x
  2. Step 2: Convert to fraction form
    12,446,288.08/18,669,246.80 = 7,590,021.60/x
  3. Step 3: Cross multiply
    12,446,288.08x = 18,669,246.80 × 7,590,021.60
  4. Step 4: Simplify right side
    12,446,288.08x = 141,699,986,467,730.88
  5. Step 5: Solve for x
    x = 141,699,986,467,730.88/12,446,288.08
  6. Step 6: Final answer
    x = 11,384,919.39

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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.