Home / 25,938,995.18-38,907,872.30-8,431,530.32

Finding the Fourth Proportional to 25,938,995.18, 38,907,872.30 and 8,431,530.32

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Solution

The fourth proportional to 25,938,995.18, 38,907,872.30 and 8,431,530.32 is: 12,647,093.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,938,995.18 : 38,907,872.30 = 8,431,530.32 : x
  2. Step 2: Convert to fraction form
    25,938,995.18/38,907,872.30 = 8,431,530.32/x
  3. Step 3: Cross multiply
    25,938,995.18x = 38,907,872.30 × 8,431,530.32
  4. Step 4: Simplify right side
    25,938,995.18x = 328,052,904,984,138.12
  5. Step 5: Solve for x
    x = 328,052,904,984,138.12/25,938,995.18
  6. Step 6: Final answer
    x = 12,647,093.79

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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.