Home / 30,800,261.76-42,503,845.12-17,048,929.92

Finding the Fourth Proportional to 30,800,261.76, 42,503,845.12 and 17,048,929.92

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Solution

The fourth proportional to 30,800,261.76, 42,503,845.12 and 17,048,929.92 is: 23,527,237.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,800,261.76 : 42,503,845.12 = 17,048,929.92 : x
  2. Step 2: Convert to fraction form
    30,800,261.76/42,503,845.12 = 17,048,929.92/x
  3. Step 3: Cross multiply
    30,800,261.76x = 42,503,845.12 × 17,048,929.92
  4. Step 4: Simplify right side
    30,800,261.76x = 724,645,076,781,414
  5. Step 5: Solve for x
    x = 724,645,076,781,414/30,800,261.76
  6. Step 6: Final answer
    x = 23,527,237.61

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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.