Home / 14,947,974.63-20,628,205.07-8,072,456.63

Finding the Fourth Proportional to 14,947,974.63, 20,628,205.07 and 8,072,456.63

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Solution

The fourth proportional to 14,947,974.63, 20,628,205.07 and 8,072,456.63 is: 11,139,990.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947,974.63 : 20,628,205.07 = 8,072,456.63 : x
  2. Step 2: Convert to fraction form
    14,947,974.63/20,628,205.07 = 8,072,456.63/x
  3. Step 3: Cross multiply
    14,947,974.63x = 20,628,205.07 × 8,072,456.63
  4. Step 4: Simplify right side
    14,947,974.63x = 166,520,290,638,817.81
  5. Step 5: Solve for x
    x = 166,520,290,638,817.81/14,947,974.63
  6. Step 6: Final answer
    x = 11,139,990.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.