Home / 6,929,138.30-9,562,272.71-3,831,871.23

Finding the Fourth Proportional to 6,929,138.30, 9,562,272.71 and 3,831,871.23

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Solution

The fourth proportional to 6,929,138.30, 9,562,272.71 and 3,831,871.23 is: 5,288,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929,138.30 : 9,562,272.71 = 3,831,871.23 : x
  2. Step 2: Convert to fraction form
    6,929,138.30/9,562,272.71 = 3,831,871.23/x
  3. Step 3: Cross multiply
    6,929,138.30x = 9,562,272.71 × 3,831,871.23
  4. Step 4: Simplify right side
    6,929,138.30x = 36,641,397,671,703.77
  5. Step 5: Solve for x
    x = 36,641,397,671,703.77/6,929,138.30
  6. Step 6: Final answer
    x = 5,288,016.51

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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.