Home / 8,290,314.56-12,430,406.41-3,973,685.65

Finding the Fourth Proportional to 8,290,314.56, 12,430,406.41 and 3,973,685.65

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Solution

The fourth proportional to 8,290,314.56, 12,430,406.41 and 3,973,685.65 is: 5,958,100.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290,314.56 : 12,430,406.41 = 3,973,685.65 : x
  2. Step 2: Convert to fraction form
    8,290,314.56/12,430,406.41 = 3,973,685.65/x
  3. Step 3: Cross multiply
    8,290,314.56x = 12,430,406.41 × 3,973,685.65
  4. Step 4: Simplify right side
    8,290,314.56x = 49,394,527,534,074.79
  5. Step 5: Solve for x
    x = 49,394,527,534,074.79/8,290,314.56
  6. Step 6: Final answer
    x = 5,958,100.52

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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.