Home / 7,191,059.55-9,923,596.61-3,927,873.75

Finding the Fourth Proportional to 7,191,059.55, 9,923,596.61 and 3,927,873.75

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Solution

The fourth proportional to 7,191,059.55, 9,923,596.61 and 3,927,873.75 is: 5,420,429.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191,059.55 : 9,923,596.61 = 3,927,873.75 : x
  2. Step 2: Convert to fraction form
    7,191,059.55/9,923,596.61 = 3,927,873.75/x
  3. Step 3: Cross multiply
    7,191,059.55x = 9,923,596.61 × 3,927,873.75
  4. Step 4: Simplify right side
    7,191,059.55x = 38,978,634,610,368.62
  5. Step 5: Solve for x
    x = 38,978,634,610,368.62/7,191,059.55
  6. Step 6: Final answer
    x = 5,420,429.96

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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.