Home / 8,521,187.20-12,789,038.40-3,476,118.40

Finding the Fourth Proportional to 8,521,187.20, 12,789,038.40 and 3,476,118.40

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Solution

The fourth proportional to 8,521,187.20, 12,789,038.40 and 3,476,118.40 is: 5,217,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521,187.20 : 12,789,038.40 = 3,476,118.40 : x
  2. Step 2: Convert to fraction form
    8,521,187.20/12,789,038.40 = 3,476,118.40/x
  3. Step 3: Cross multiply
    8,521,187.20x = 12,789,038.40 × 3,476,118.40
  4. Step 4: Simplify right side
    8,521,187.20x = 44,456,211,700,546.56
  5. Step 5: Solve for x
    x = 44,456,211,700,546.56/8,521,187.20
  6. Step 6: Final answer
    x = 5,217,138.25

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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.