Home / 7,863,395.83-11,778,057.18-3,811,407.32

Finding the Fourth Proportional to 7,863,395.83, 11,778,057.18 and 3,811,407.32

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Solution

The fourth proportional to 7,863,395.83, 11,778,057.18 and 3,811,407.32 is: 5,708,853.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863,395.83 : 11,778,057.18 = 3,811,407.32 : x
  2. Step 2: Convert to fraction form
    7,863,395.83/11,778,057.18 = 3,811,407.32/x
  3. Step 3: Cross multiply
    7,863,395.83x = 11,778,057.18 × 3,811,407.32
  4. Step 4: Simplify right side
    7,863,395.83x = 44,890,973,351,230.55
  5. Step 5: Solve for x
    x = 44,890,973,351,230.55/7,863,395.83
  6. Step 6: Final answer
    x = 5,708,853.31

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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.