Home / 12,482,813.80-18,682,748.70-9,061,373.80

Finding the Fourth Proportional to 12,482,813.80, 18,682,748.70 and 9,061,373.80

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Solution

The fourth proportional to 12,482,813.80, 18,682,748.70 and 9,061,373.80 is: 13,561,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,813.80 : 18,682,748.70 = 9,061,373.80 : x
  2. Step 2: Convert to fraction form
    12,482,813.80/18,682,748.70 = 9,061,373.80/x
  3. Step 3: Cross multiply
    12,482,813.80x = 18,682,748.70 × 9,061,373.80
  4. Step 4: Simplify right side
    12,482,813.80x = 169,291,369,582,164.06
  5. Step 5: Solve for x
    x = 169,291,369,582,164.06/12,482,813.80
  6. Step 6: Final answer
    x = 13,561,955.85

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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.