Home / 7,442,893.20-11,164,339.80-7,379,907.60

Finding the Fourth Proportional to 7,442,893.20, 11,164,339.80 and 7,379,907.60

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Solution

The fourth proportional to 7,442,893.20, 11,164,339.80 and 7,379,907.60 is: 11,069,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442,893.20 : 11,164,339.80 = 7,379,907.60 : x
  2. Step 2: Convert to fraction form
    7,442,893.20/11,164,339.80 = 7,379,907.60/x
  3. Step 3: Cross multiply
    7,442,893.20x = 11,164,339.80 × 7,379,907.60
  4. Step 4: Simplify right side
    7,442,893.20x = 82,391,796,139,002.48
  5. Step 5: Solve for x
    x = 82,391,796,139,002.48/7,442,893.20
  6. Step 6: Final answer
    x = 11,069,861.40

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Similar ratio
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1.5x scale

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.