Home / 8,139,192.66-11,231,673.15-4,831,628.31

Finding the Fourth Proportional to 8,139,192.66, 11,231,673.15 and 4,831,628.31

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Solution

The fourth proportional to 8,139,192.66, 11,231,673.15 and 4,831,628.31 is: 6,667,402.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139,192.66 : 11,231,673.15 = 4,831,628.31 : x
  2. Step 2: Convert to fraction form
    8,139,192.66/11,231,673.15 = 4,831,628.31/x
  3. Step 3: Cross multiply
    8,139,192.66x = 11,231,673.15 × 4,831,628.31
  4. Step 4: Simplify right side
    8,139,192.66x = 54,267,269,960,206.88
  5. Step 5: Solve for x
    x = 54,267,269,960,206.88/8,139,192.66
  6. Step 6: Final answer
    x = 6,667,402.07

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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.