Home / 14,501,977.56-20,013,230.52-7,976,100.78

Finding the Fourth Proportional to 14,501,977.56, 20,013,230.52 and 7,976,100.78

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Solution

The fourth proportional to 14,501,977.56, 20,013,230.52 and 7,976,100.78 is: 11,007,294.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,501,977.56 : 20,013,230.52 = 7,976,100.78 : x
  2. Step 2: Convert to fraction form
    14,501,977.56/20,013,230.52 = 7,976,100.78/x
  3. Step 3: Cross multiply
    14,501,977.56x = 20,013,230.52 × 7,976,100.78
  4. Step 4: Simplify right side
    14,501,977.56x = 159,627,543,560,891.81
  5. Step 5: Solve for x
    x = 159,627,543,560,891.81/14,501,977.56
  6. Step 6: Final answer
    x = 11,007,294.89

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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.