Home / 20,750,590.44-28,638,339.54-12,048,762.78

Finding the Fourth Proportional to 20,750,590.44, 28,638,339.54 and 12,048,762.78

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Solution

The fourth proportional to 20,750,590.44, 28,638,339.54 and 12,048,762.78 is: 16,628,758.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,750,590.44 : 28,638,339.54 = 12,048,762.78 : x
  2. Step 2: Convert to fraction form
    20,750,590.44/28,638,339.54 = 12,048,762.78/x
  3. Step 3: Cross multiply
    20,750,590.44x = 28,638,339.54 × 12,048,762.78
  4. Step 4: Simplify right side
    20,750,590.44x = 345,056,559,530,554.31
  5. Step 5: Solve for x
    x = 345,056,559,530,554.31/20,750,590.44
  6. Step 6: Final answer
    x = 16,628,758.61

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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.