Home / 6,864,203.90-9,470,255.09-3,921,909.84

Finding the Fourth Proportional to 6,864,203.90, 9,470,255.09 and 3,921,909.84

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Solution

The fourth proportional to 6,864,203.90, 9,470,255.09 and 3,921,909.84 is: 5,410,895.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864,203.90 : 9,470,255.09 = 3,921,909.84 : x
  2. Step 2: Convert to fraction form
    6,864,203.90/9,470,255.09 = 3,921,909.84/x
  3. Step 3: Cross multiply
    6,864,203.90x = 9,470,255.09 × 3,921,909.84
  4. Step 4: Simplify right side
    6,864,203.90x = 37,141,486,605,171.54
  5. Step 5: Solve for x
    x = 37,141,486,605,171.54/6,864,203.90
  6. Step 6: Final answer
    x = 5,410,895.01

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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.