Home / 8,515,383.70-12,773,075.55-7,675,575.70

Finding the Fourth Proportional to 8,515,383.70, 12,773,075.55 and 7,675,575.70

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Solution

The fourth proportional to 8,515,383.70, 12,773,075.55 and 7,675,575.70 is: 11,513,363.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515,383.70 : 12,773,075.55 = 7,675,575.70 : x
  2. Step 2: Convert to fraction form
    8,515,383.70/12,773,075.55 = 7,675,575.70/x
  3. Step 3: Cross multiply
    8,515,383.70x = 12,773,075.55 × 7,675,575.70
  4. Step 4: Simplify right side
    8,515,383.70x = 98,040,708,305,844.14
  5. Step 5: Solve for x
    x = 98,040,708,305,844.14/8,515,383.70
  6. Step 6: Final answer
    x = 11,513,363.55

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Similar ratio
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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.