Home / 20,605,085.60-30,907,628.40-6,238,245.20

Finding the Fourth Proportional to 20,605,085.60, 30,907,628.40 and 6,238,245.20

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Solution

The fourth proportional to 20,605,085.60, 30,907,628.40 and 6,238,245.20 is: 9,357,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,605,085.60 : 30,907,628.40 = 6,238,245.20 : x
  2. Step 2: Convert to fraction form
    20,605,085.60/30,907,628.40 = 6,238,245.20/x
  3. Step 3: Cross multiply
    20,605,085.60x = 30,907,628.40 × 6,238,245.20
  4. Step 4: Simplify right side
    20,605,085.60x = 192,809,364,509,683.69
  5. Step 5: Solve for x
    x = 192,809,364,509,683.69/20,605,085.60
  6. Step 6: Final answer
    x = 9,357,367.80

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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.