Home / 20,605,086.60-30,907,629.90-6,238,246.20

Finding the Fourth Proportional to 20,605,086.60, 30,907,629.90 and 6,238,246.20

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Solution

The fourth proportional to 20,605,086.60, 30,907,629.90 and 6,238,246.20 is: 9,357,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,605,086.60 : 30,907,629.90 = 6,238,246.20 : x
  2. Step 2: Convert to fraction form
    20,605,086.60/30,907,629.90 = 6,238,246.20/x
  3. Step 3: Cross multiply
    20,605,086.60x = 30,907,629.90 × 6,238,246.20
  4. Step 4: Simplify right side
    20,605,086.60x = 192,809,404,774,681.38
  5. Step 5: Solve for x
    x = 192,809,404,774,681.38/20,605,086.60
  6. Step 6: Final answer
    x = 9,357,369.30

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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.