Home / 12,426,067.92-18,630,435.93-5,505,783.39

Finding the Fourth Proportional to 12,426,067.92, 18,630,435.93 and 5,505,783.39

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Solution

The fourth proportional to 12,426,067.92, 18,630,435.93 and 5,505,783.39 is: 8,254,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426,067.92 : 18,630,435.93 = 5,505,783.39 : x
  2. Step 2: Convert to fraction form
    12,426,067.92/18,630,435.93 = 5,505,783.39/x
  3. Step 3: Cross multiply
    12,426,067.92x = 18,630,435.93 × 5,505,783.39
  4. Step 4: Simplify right side
    12,426,067.92x = 102,575,144,691,853.19
  5. Step 5: Solve for x
    x = 102,575,144,691,853.19/12,426,067.92
  6. Step 6: Final answer
    x = 8,254,835.35

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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.