Home / 8,470,603.20-12,705,872.32-2,405,335.04

Finding the Fourth Proportional to 8,470,603.20, 12,705,872.32 and 2,405,335.04

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Solution

The fourth proportional to 8,470,603.20, 12,705,872.32 and 2,405,335.04 is: 3,607,993.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470,603.20 : 12,705,872.32 = 2,405,335.04 : x
  2. Step 2: Convert to fraction form
    8,470,603.20/12,705,872.32 = 2,405,335.04/x
  3. Step 3: Cross multiply
    8,470,603.20x = 12,705,872.32 × 2,405,335.04
  4. Step 4: Simplify right side
    8,470,603.20x = 30,561,879,905,062.09
  5. Step 5: Solve for x
    x = 30,561,879,905,062.09/8,470,603.20
  6. Step 6: Final answer
    x = 3,607,993.34

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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.