Home / 8,271,148.70-12,378,729.45-7,263,379.10

Finding the Fourth Proportional to 8,271,148.70, 12,378,729.45 and 7,263,379.10

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Solution

The fourth proportional to 8,271,148.70, 12,378,729.45 and 7,263,379.10 is: 10,870,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,148.70 : 12,378,729.45 = 7,263,379.10 : x
  2. Step 2: Convert to fraction form
    8,271,148.70/12,378,729.45 = 7,263,379.10/x
  3. Step 3: Cross multiply
    8,271,148.70x = 12,378,729.45 × 7,263,379.10
  4. Step 4: Simplify right side
    8,271,148.70x = 89,911,404,771,684.48
  5. Step 5: Solve for x
    x = 89,911,404,771,684.48/8,271,148.70
  6. Step 6: Final answer
    x = 10,870,485.83

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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.