Home / 8,666,311.78-11,959,364.09-4,798,749.90

Finding the Fourth Proportional to 8,666,311.78, 11,959,364.09 and 4,798,749.90

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Solution

The fourth proportional to 8,666,311.78, 11,959,364.09 and 4,798,749.90 is: 6,622,193.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666,311.78 : 11,959,364.09 = 4,798,749.90 : x
  2. Step 2: Convert to fraction form
    8,666,311.78/11,959,364.09 = 4,798,749.90/x
  3. Step 3: Cross multiply
    8,666,311.78x = 11,959,364.09 × 4,798,749.90
  4. Step 4: Simplify right side
    8,666,311.78x = 57,389,997,242,947.97
  5. Step 5: Solve for x
    x = 57,389,997,242,947.97/8,666,311.78
  6. Step 6: Final answer
    x = 6,622,193.93

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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.