Home / 8,721,016.20-13,057,904.70-6,831,448.20

Finding the Fourth Proportional to 8,721,016.20, 13,057,904.70 and 6,831,448.20

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Solution

The fourth proportional to 8,721,016.20, 13,057,904.70 and 6,831,448.20 is: 10,228,670.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721,016.20 : 13,057,904.70 = 6,831,448.20 : x
  2. Step 2: Convert to fraction form
    8,721,016.20/13,057,904.70 = 6,831,448.20/x
  3. Step 3: Cross multiply
    8,721,016.20x = 13,057,904.70 × 6,831,448.20
  4. Step 4: Simplify right side
    8,721,016.20x = 89,204,399,558,586.53
  5. Step 5: Solve for x
    x = 89,204,399,558,586.53/8,721,016.20
  6. Step 6: Final answer
    x = 10,228,670.32

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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.