Home / 12,222,186.58-16,860,292.72-8,302,144.60

Finding the Fourth Proportional to 12,222,186.58, 16,860,292.72 and 8,302,144.60

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Solution

The fourth proportional to 12,222,186.58, 16,860,292.72 and 8,302,144.60 is: 11,452,663.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222,186.58 : 16,860,292.72 = 8,302,144.60 : x
  2. Step 2: Convert to fraction form
    12,222,186.58/16,860,292.72 = 8,302,144.60/x
  3. Step 3: Cross multiply
    12,222,186.58x = 16,860,292.72 × 8,302,144.60
  4. Step 4: Simplify right side
    12,222,186.58x = 139,976,588,159,767.30
  5. Step 5: Solve for x
    x = 139,976,588,159,767.30/12,222,186.58
  6. Step 6: Final answer
    x = 11,452,663.34

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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.