Home / 28,333,633.24-42,507,872.30-8,902,074.15

Finding the Fourth Proportional to 28,333,633.24, 42,507,872.30 and 8,902,074.15

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Solution

The fourth proportional to 28,333,633.24, 42,507,872.30 and 8,902,074.15 is: 13,355,443.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,333,633.24 : 42,507,872.30 = 8,902,074.15 : x
  2. Step 2: Convert to fraction form
    28,333,633.24/42,507,872.30 = 8,902,074.15/x
  3. Step 3: Cross multiply
    28,333,633.24x = 42,507,872.30 × 8,902,074.15
  4. Step 4: Simplify right side
    28,333,633.24x = 378,408,231,145,512.06
  5. Step 5: Solve for x
    x = 378,408,231,145,512.06/28,333,633.24
  6. Step 6: Final answer
    x = 13,355,443.26

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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.