Home / 6,918,557.76-10,378,389.60-2,431,840.32

Finding the Fourth Proportional to 6,918,557.76, 10,378,389.60 and 2,431,840.32

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Solution

The fourth proportional to 6,918,557.76, 10,378,389.60 and 2,431,840.32 is: 3,647,954.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918,557.76 : 10,378,389.60 = 2,431,840.32 : x
  2. Step 2: Convert to fraction form
    6,918,557.76/10,378,389.60 = 2,431,840.32/x
  3. Step 3: Cross multiply
    6,918,557.76x = 10,378,389.60 × 2,431,840.32
  4. Step 4: Simplify right side
    6,918,557.76x = 25,238,586,285,948.67
  5. Step 5: Solve for x
    x = 25,238,586,285,948.67/6,918,557.76
  6. Step 6: Final answer
    x = 3,647,954.84

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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.