Home / 12,747,305.86-19,120,934.86-3,994,254.50

Finding the Fourth Proportional to 12,747,305.86, 19,120,934.86 and 3,994,254.50

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Solution

The fourth proportional to 12,747,305.86, 19,120,934.86 and 3,994,254.50 is: 5,991,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747,305.86 : 19,120,934.86 = 3,994,254.50 : x
  2. Step 2: Convert to fraction form
    12,747,305.86/19,120,934.86 = 3,994,254.50/x
  3. Step 3: Cross multiply
    12,747,305.86x = 19,120,934.86 × 3,994,254.50
  4. Step 4: Simplify right side
    12,747,305.86x = 76,373,880,088,790.59
  5. Step 5: Solve for x
    x = 76,373,880,088,790.59/12,747,305.86
  6. Step 6: Final answer
    x = 5,991,374.25

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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.