Home / 12,684,506.75-17,504,666.90-6,883,289.69

Finding the Fourth Proportional to 12,684,506.75, 17,504,666.90 and 6,883,289.69

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Solution

The fourth proportional to 12,684,506.75, 17,504,666.90 and 6,883,289.69 is: 9,498,965.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,684,506.75 : 17,504,666.90 = 6,883,289.69 : x
  2. Step 2: Convert to fraction form
    12,684,506.75/17,504,666.90 = 6,883,289.69/x
  3. Step 3: Cross multiply
    12,684,506.75x = 17,504,666.90 × 6,883,289.69
  4. Step 4: Simplify right side
    12,684,506.75x = 120,489,693,103,526.81
  5. Step 5: Solve for x
    x = 120,489,693,103,526.81/12,684,506.75
  6. Step 6: Final answer
    x = 9,498,965.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.