Home / 7,145,078.40-10,730,059.20-3,785,846.40

Finding the Fourth Proportional to 7,145,078.40, 10,730,059.20 and 3,785,846.40

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Solution

The fourth proportional to 7,145,078.40, 10,730,059.20 and 3,785,846.40 is: 5,685,361.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,078.40 : 10,730,059.20 = 3,785,846.40 : x
  2. Step 2: Convert to fraction form
    7,145,078.40/10,730,059.20 = 3,785,846.40/x
  3. Step 3: Cross multiply
    7,145,078.40x = 10,730,059.20 × 3,785,846.40
  4. Step 4: Simplify right side
    7,145,078.40x = 40,622,355,994,106.88
  5. Step 5: Solve for x
    x = 40,622,355,994,106.88/7,145,078.40
  6. Step 6: Final answer
    x = 5,685,361.83

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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.