Home / 18,453,050.70-27,679,576.05-7,666,766.70

Finding the Fourth Proportional to 18,453,050.70, 27,679,576.05 and 7,666,766.70

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Solution

The fourth proportional to 18,453,050.70, 27,679,576.05 and 7,666,766.70 is: 11,500,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,050.70 : 27,679,576.05 = 7,666,766.70 : x
  2. Step 2: Convert to fraction form
    18,453,050.70/27,679,576.05 = 7,666,766.70/x
  3. Step 3: Cross multiply
    18,453,050.70x = 27,679,576.05 × 7,666,766.70
  4. Step 4: Simplify right side
    18,453,050.70x = 212,212,851,930,257.53
  5. Step 5: Solve for x
    x = 212,212,851,930,257.53/18,453,050.70
  6. Step 6: Final answer
    x = 11,500,150.05

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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.