Home / 47,713,906.78-65,850,535.78-28,885,866.54

Finding the Fourth Proportional to 47,713,906.78, 65,850,535.78 and 28,885,866.54

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Solution

The fourth proportional to 47,713,906.78, 65,850,535.78 and 28,885,866.54 is: 39,865,731.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,713,906.78 : 65,850,535.78 = 28,885,866.54 : x
  2. Step 2: Convert to fraction form
    47,713,906.78/65,850,535.78 = 28,885,866.54/x
  3. Step 3: Cross multiply
    47,713,906.78x = 65,850,535.78 × 28,885,866.54
  4. Step 4: Simplify right side
    47,713,906.78x = 1,902,149,787,809,420.75
  5. Step 5: Solve for x
    x = 1,902,149,787,809,420.75/47,713,906.78
  6. Step 6: Final answer
    x = 39,865,731.32

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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.