Home / 7,431,026.40-11,146,539.60-3,179,498.40

Finding the Fourth Proportional to 7,431,026.40, 11,146,539.60 and 3,179,498.40

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Solution

The fourth proportional to 7,431,026.40, 11,146,539.60 and 3,179,498.40 is: 4,769,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431,026.40 : 11,146,539.60 = 3,179,498.40 : x
  2. Step 2: Convert to fraction form
    7,431,026.40/11,146,539.60 = 3,179,498.40/x
  3. Step 3: Cross multiply
    7,431,026.40x = 11,146,539.60 × 3,179,498.40
  4. Step 4: Simplify right side
    7,431,026.40x = 35,440,404,823,736.64
  5. Step 5: Solve for x
    x = 35,440,404,823,736.64/7,431,026.40
  6. Step 6: Final answer
    x = 4,769,247.60

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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.