Home / 7,308,138.36-10,961,945.10-1,916,745.96

Finding the Fourth Proportional to 7,308,138.36, 10,961,945.10 and 1,916,745.96

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Solution

The fourth proportional to 7,308,138.36, 10,961,945.10 and 1,916,745.96 is: 2,875,050.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308,138.36 : 10,961,945.10 = 1,916,745.96 : x
  2. Step 2: Convert to fraction form
    7,308,138.36/10,961,945.10 = 1,916,745.96/x
  3. Step 3: Cross multiply
    7,308,138.36x = 10,961,945.10 × 1,916,745.96
  4. Step 4: Simplify right side
    7,308,138.36x = 21,011,263,984,166.79
  5. Step 5: Solve for x
    x = 21,011,263,984,166.79/7,308,138.36
  6. Step 6: Final answer
    x = 2,875,050.11

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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.