Home / 17,786,856-24,545,946.40-9,638,108.48

Finding the Fourth Proportional to 17,786,856, 24,545,946.40 and 9,638,108.48

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Solution

The fourth proportional to 17,786,856, 24,545,946.40 and 9,638,108.48 is: 13,300,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,786,856 : 24,545,946.40 = 9,638,108.48 : x
  2. Step 2: Convert to fraction form
    17,786,856/24,545,946.40 = 9,638,108.48/x
  3. Step 3: Cross multiply
    17,786,856x = 24,545,946.40 × 9,638,108.48
  4. Step 4: Simplify right side
    17,786,856x = 236,576,494,147,465.47
  5. Step 5: Solve for x
    x = 236,576,494,147,465.47/17,786,856
  6. Step 6: Final answer
    x = 13,300,635.83

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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.