Home / 8,619,927.75-12,929,956.44-3,826,328.31

Finding the Fourth Proportional to 8,619,927.75, 12,929,956.44 and 3,826,328.31

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Solution

The fourth proportional to 8,619,927.75, 12,929,956.44 and 3,826,328.31 is: 5,739,521.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619,927.75 : 12,929,956.44 = 3,826,328.31 : x
  2. Step 2: Convert to fraction form
    8,619,927.75/12,929,956.44 = 3,826,328.31/x
  3. Step 3: Cross multiply
    8,619,927.75x = 12,929,956.44 × 3,826,328.31
  4. Step 4: Simplify right side
    8,619,927.75x = 49,474,258,373,438.81
  5. Step 5: Solve for x
    x = 49,474,258,373,438.81/8,619,927.75
  6. Step 6: Final answer
    x = 5,739,521.24

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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.