Home / 20,046,936.15-30,043,204.32-8,517,946.95

Finding the Fourth Proportional to 20,046,936.15, 30,043,204.32 and 8,517,946.95

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Solution

The fourth proportional to 20,046,936.15, 30,043,204.32 and 8,517,946.95 is: 12,765,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,046,936.15 : 30,043,204.32 = 8,517,946.95 : x
  2. Step 2: Convert to fraction form
    20,046,936.15/30,043,204.32 = 8,517,946.95/x
  3. Step 3: Cross multiply
    20,046,936.15x = 30,043,204.32 × 8,517,946.95
  4. Step 4: Simplify right side
    20,046,936.15x = 255,906,420,637,713.09
  5. Step 5: Solve for x
    x = 255,906,420,637,713.09/20,046,936.15
  6. Step 6: Final answer
    x = 12,765,363.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.