Home / 25,978,427.80-38,973,171.30-8,029,346.20

Finding the Fourth Proportional to 25,978,427.80, 38,973,171.30 and 8,029,346.20

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Solution

The fourth proportional to 25,978,427.80, 38,973,171.30 and 8,029,346.20 is: 12,045,728.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,978,427.80 : 38,973,171.30 = 8,029,346.20 : x
  2. Step 2: Convert to fraction form
    25,978,427.80/38,973,171.30 = 8,029,346.20/x
  3. Step 3: Cross multiply
    25,978,427.80x = 38,973,171.30 × 8,029,346.20
  4. Step 4: Simplify right side
    25,978,427.80x = 312,929,084,879,604.06
  5. Step 5: Solve for x
    x = 312,929,084,879,604.06/25,978,427.80
  6. Step 6: Final answer
    x = 12,045,728.37

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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.