Home / 12,222,185.58-16,860,291.35-8,302,143.60

Finding the Fourth Proportional to 12,222,185.58, 16,860,291.35 and 8,302,143.60

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Solution

The fourth proportional to 12,222,185.58, 16,860,291.35 and 8,302,143.60 is: 11,452,661.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222,185.58 : 16,860,291.35 = 8,302,143.60 : x
  2. Step 2: Convert to fraction form
    12,222,185.58/16,860,291.35 = 8,302,143.60/x
  3. Step 3: Cross multiply
    12,222,185.58x = 16,860,291.35 × 8,302,143.60
  4. Step 4: Simplify right side
    12,222,185.58x = 139,976,559,884,027.12
  5. Step 5: Solve for x
    x = 139,976,559,884,027.12/12,222,185.58
  6. Step 6: Final answer
    x = 11,452,661.96

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1.5x scale

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.