Home / 12,588,021.29-18,899,697.36-6,444,391.07

Finding the Fourth Proportional to 12,588,021.29, 18,899,697.36 and 6,444,391.07

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Solution

The fourth proportional to 12,588,021.29, 18,899,697.36 and 6,444,391.07 is: 9,675,630.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588,021.29 : 18,899,697.36 = 6,444,391.07 : x
  2. Step 2: Convert to fraction form
    12,588,021.29/18,899,697.36 = 6,444,391.07/x
  3. Step 3: Cross multiply
    12,588,021.29x = 18,899,697.36 × 6,444,391.07
  4. Step 4: Simplify right side
    12,588,021.29x = 121,797,040,892,486.58
  5. Step 5: Solve for x
    x = 121,797,040,892,486.58/12,588,021.29
  6. Step 6: Final answer
    x = 9,675,630.35

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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.