Home / 7,183,779.78-9,913,847.30-4,086,223.48

Finding the Fourth Proportional to 7,183,779.78, 9,913,847.30 and 4,086,223.48

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Solution

The fourth proportional to 7,183,779.78, 9,913,847.30 and 4,086,223.48 is: 5,639,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183,779.78 : 9,913,847.30 = 4,086,223.48 : x
  2. Step 2: Convert to fraction form
    7,183,779.78/9,913,847.30 = 4,086,223.48/x
  3. Step 3: Cross multiply
    7,183,779.78x = 9,913,847.30 × 4,086,223.48
  4. Step 4: Simplify right side
    7,183,779.78x = 40,510,195,614,394.61
  5. Step 5: Solve for x
    x = 40,510,195,614,394.61/7,183,779.78
  6. Step 6: Final answer
    x = 5,639,119.91

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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.