Home / 8,906,009.71-12,290,317.22-4,831,628.71

Finding the Fourth Proportional to 8,906,009.71, 12,290,317.22 and 4,831,628.71

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Solution

The fourth proportional to 8,906,009.71, 12,290,317.22 and 4,831,628.71 is: 6,667,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906,009.71 : 12,290,317.22 = 4,831,628.71 : x
  2. Step 2: Convert to fraction form
    8,906,009.71/12,290,317.22 = 4,831,628.71/x
  3. Step 3: Cross multiply
    8,906,009.71x = 12,290,317.22 × 4,831,628.71
  4. Step 4: Simplify right side
    8,906,009.71x = 59,382,249,449,549.66
  5. Step 5: Solve for x
    x = 59,382,249,449,549.66/8,906,009.71
  6. Step 6: Final answer
    x = 6,667,660.54

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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.