Home / 7,648,031.54-11,471,969.55-1,968,233.78

Finding the Fourth Proportional to 7,648,031.54, 11,471,969.55 and 1,968,233.78

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Solution

The fourth proportional to 7,648,031.54, 11,471,969.55 and 1,968,233.78 is: 2,952,330.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648,031.54 : 11,471,969.55 = 1,968,233.78 : x
  2. Step 2: Convert to fraction form
    7,648,031.54/11,471,969.55 = 1,968,233.78/x
  3. Step 3: Cross multiply
    7,648,031.54x = 11,471,969.55 × 1,968,233.78
  4. Step 4: Simplify right side
    7,648,031.54x = 22,579,517,991,441.40
  5. Step 5: Solve for x
    x = 22,579,517,991,441.40/7,648,031.54
  6. Step 6: Final answer
    x = 2,952,330.66

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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.