Home / 12,327,287.75-17,012,159.03-6,820,573.43

Finding the Fourth Proportional to 12,327,287.75, 17,012,159.03 and 6,820,573.43

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Solution

The fourth proportional to 12,327,287.75, 17,012,159.03 and 6,820,573.43 is: 9,412,669.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327,287.75 : 17,012,159.03 = 6,820,573.43 : x
  2. Step 2: Convert to fraction form
    12,327,287.75/17,012,159.03 = 6,820,573.43/x
  3. Step 3: Cross multiply
    12,327,287.75x = 17,012,159.03 × 6,820,573.43
  4. Step 4: Simplify right side
    12,327,287.75x = 116,032,679,811,661.56
  5. Step 5: Solve for x
    x = 116,032,679,811,661.56/12,327,287.75
  6. Step 6: Final answer
    x = 9,412,669.04

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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.