Home / 8,213,460.64-12,319,249.70-2,148,777.60

Finding the Fourth Proportional to 8,213,460.64, 12,319,249.70 and 2,148,777.60

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Solution

The fourth proportional to 8,213,460.64, 12,319,249.70 and 2,148,777.60 is: 3,222,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213,460.64 : 12,319,249.70 = 2,148,777.60 : x
  2. Step 2: Convert to fraction form
    8,213,460.64/12,319,249.70 = 2,148,777.60/x
  3. Step 3: Cross multiply
    8,213,460.64x = 12,319,249.70 × 2,148,777.60
  4. Step 4: Simplify right side
    8,213,460.64x = 26,471,327,804,166.72
  5. Step 5: Solve for x
    x = 26,471,327,804,166.72/8,213,460.64
  6. Step 6: Final answer
    x = 3,222,920.15

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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.