Home / 12,705,584.86-19,059,103.85-3,606,970.78

Finding the Fourth Proportional to 12,705,584.86, 19,059,103.85 and 3,606,970.78

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Solution

The fourth proportional to 12,705,584.86, 19,059,103.85 and 3,606,970.78 is: 5,410,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,705,584.86 : 19,059,103.85 = 3,606,970.78 : x
  2. Step 2: Convert to fraction form
    12,705,584.86/19,059,103.85 = 3,606,970.78/x
  3. Step 3: Cross multiply
    12,705,584.86x = 19,059,103.85 × 3,606,970.78
  4. Step 4: Simplify right side
    12,705,584.86x = 68,745,630,679,935.51
  5. Step 5: Solve for x
    x = 68,745,630,679,935.51/12,705,584.86
  6. Step 6: Final answer
    x = 5,410,662.43

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1.5x scale

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.