Home / 30,922,469.36-42,673,520.40-16,985,112.56

Finding the Fourth Proportional to 30,922,469.36, 42,673,520.40 and 16,985,112.56

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Solution

The fourth proportional to 30,922,469.36, 42,673,520.40 and 16,985,112.56 is: 23,439,736.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,922,469.36 : 42,673,520.40 = 16,985,112.56 : x
  2. Step 2: Convert to fraction form
    30,922,469.36/42,673,520.40 = 16,985,112.56/x
  3. Step 3: Cross multiply
    30,922,469.36x = 42,673,520.40 × 16,985,112.56
  4. Step 4: Simplify right side
    30,922,469.36x = 724,814,547,325,456.12
  5. Step 5: Solve for x
    x = 724,814,547,325,456.12/30,922,469.36
  6. Step 6: Final answer
    x = 23,439,736.94

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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.