Home / 28,034,704.80-42,048,120.60-8,867,399.40

Finding the Fourth Proportional to 28,034,704.80, 42,048,120.60 and 8,867,399.40

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Solution

The fourth proportional to 28,034,704.80, 42,048,120.60 and 8,867,399.40 is: 13,299,853.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,034,704.80 : 42,048,120.60 = 8,867,399.40 : x
  2. Step 2: Convert to fraction form
    28,034,704.80/42,048,120.60 = 8,867,399.40/x
  3. Step 3: Cross multiply
    28,034,704.80x = 42,048,120.60 × 8,867,399.40
  4. Step 4: Simplify right side
    28,034,704.80x = 372,857,479,379,567.69
  5. Step 5: Solve for x
    x = 372,857,479,379,567.69/28,034,704.80
  6. Step 6: Final answer
    x = 13,299,853.95

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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.