Home / 30,790,906.16-42,489,721.60-16,852,232.77

Finding the Fourth Proportional to 30,790,906.16, 42,489,721.60 and 16,852,232.77

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Solution

The fourth proportional to 30,790,906.16, 42,489,721.60 and 16,852,232.77 is: 23,255,134.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,790,906.16 : 42,489,721.60 = 16,852,232.77 : x
  2. Step 2: Convert to fraction form
    30,790,906.16/42,489,721.60 = 16,852,232.77/x
  3. Step 3: Cross multiply
    30,790,906.16x = 42,489,721.60 × 16,852,232.77
  4. Step 4: Simplify right side
    30,790,906.16x = 716,046,678,587,341.75
  5. Step 5: Solve for x
    x = 716,046,678,587,341.75/30,790,906.16
  6. Step 6: Final answer
    x = 23,255,134.97

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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.