Home / 8,139,529.82-12,193,332.52-4,720,634.03

Finding the Fourth Proportional to 8,139,529.82, 12,193,332.52 and 4,720,634.03

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Solution

The fourth proportional to 8,139,529.82, 12,193,332.52 and 4,720,634.03 is: 7,071,693.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139,529.82 : 12,193,332.52 = 4,720,634.03 : x
  2. Step 2: Convert to fraction form
    8,139,529.82/12,193,332.52 = 4,720,634.03/x
  3. Step 3: Cross multiply
    8,139,529.82x = 12,193,332.52 × 4,720,634.03
  4. Step 4: Simplify right side
    8,139,529.82x = 57,560,260,460,550.59
  5. Step 5: Solve for x
    x = 57,560,260,460,550.59/8,139,529.82
  6. Step 6: Final answer
    x = 7,071,693.54

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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.