Home / 7,539,972.78-10,405,048.03-4,102,135.34

Finding the Fourth Proportional to 7,539,972.78, 10,405,048.03 and 4,102,135.34

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Solution

The fourth proportional to 7,539,972.78, 10,405,048.03 and 4,102,135.34 is: 5,660,884.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539,972.78 : 10,405,048.03 = 4,102,135.34 : x
  2. Step 2: Convert to fraction form
    7,539,972.78/10,405,048.03 = 4,102,135.34/x
  3. Step 3: Cross multiply
    7,539,972.78x = 10,405,048.03 × 4,102,135.34
  4. Step 4: Simplify right side
    7,539,972.78x = 42,682,915,238,260.38
  5. Step 5: Solve for x
    x = 42,682,915,238,260.38/7,539,972.78
  6. Step 6: Final answer
    x = 5,660,884.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.