Home / 6,315,145.82-8,712,911.85-3,865,202.81

Finding the Fourth Proportional to 6,315,145.82, 8,712,911.85 and 3,865,202.81

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Solution

The fourth proportional to 6,315,145.82, 8,712,911.85 and 3,865,202.81 is: 5,332,762.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315,145.82 : 8,712,911.85 = 3,865,202.81 : x
  2. Step 2: Convert to fraction form
    6,315,145.82/8,712,911.85 = 3,865,202.81/x
  3. Step 3: Cross multiply
    6,315,145.82x = 8,712,911.85 × 3,865,202.81
  4. Step 4: Simplify right side
    6,315,145.82x = 33,677,171,322,337.74
  5. Step 5: Solve for x
    x = 33,677,171,322,337.74/6,315,145.82
  6. Step 6: Final answer
    x = 5,332,762.27

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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.