Home / 6,767,999.12-9,339,678.60-3,712,186.64

Finding the Fourth Proportional to 6,767,999.12, 9,339,678.60 and 3,712,186.64

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Solution

The fourth proportional to 6,767,999.12, 9,339,678.60 and 3,712,186.64 is: 5,122,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,767,999.12 : 9,339,678.60 = 3,712,186.64 : x
  2. Step 2: Convert to fraction form
    6,767,999.12/9,339,678.60 = 3,712,186.64/x
  3. Step 3: Cross multiply
    6,767,999.12x = 9,339,678.60 × 3,712,186.64
  4. Step 4: Simplify right side
    6,767,999.12x = 34,670,630,120,813.90
  5. Step 5: Solve for x
    x = 34,670,630,120,813.90/6,767,999.12
  6. Step 6: Final answer
    x = 5,122,729.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.