Home / 38,770,636.69-53,503,478.93-21,366,982.10

Finding the Fourth Proportional to 38,770,636.69, 53,503,478.93 and 21,366,982.10

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Solution

The fourth proportional to 38,770,636.69, 53,503,478.93 and 21,366,982.10 is: 29,486,435.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,770,636.69 : 53,503,478.93 = 21,366,982.10 : x
  2. Step 2: Convert to fraction form
    38,770,636.69/53,503,478.93 = 21,366,982.10/x
  3. Step 3: Cross multiply
    38,770,636.69x = 53,503,478.93 × 21,366,982.10
  4. Step 4: Simplify right side
    38,770,636.69x = 1,143,207,876,652,024
  5. Step 5: Solve for x
    x = 1,143,207,876,652,024/38,770,636.69
  6. Step 6: Final answer
    x = 29,486,435.47

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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.