Home / 12,222,187.58-16,860,294.10-8,302,145.60

Finding the Fourth Proportional to 12,222,187.58, 16,860,294.10 and 8,302,145.60

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Solution

The fourth proportional to 12,222,187.58, 16,860,294.10 and 8,302,145.60 is: 11,452,664.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222,187.58 : 16,860,294.10 = 8,302,145.60 : x
  2. Step 2: Convert to fraction form
    12,222,187.58/16,860,294.10 = 8,302,145.60/x
  3. Step 3: Cross multiply
    12,222,187.58x = 16,860,294.10 × 8,302,145.60
  4. Step 4: Simplify right side
    12,222,187.58x = 139,976,616,477,020.97
  5. Step 5: Solve for x
    x = 139,976,616,477,020.97/12,222,187.58
  6. Step 6: Final answer
    x = 11,452,664.72

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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.