Home / 12,313,072.20-18,453,501.90-6,621,040.20

Finding the Fourth Proportional to 12,313,072.20, 18,453,501.90 and 6,621,040.20

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Solution

The fourth proportional to 12,313,072.20, 18,453,501.90 and 6,621,040.20 is: 9,922,899.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313,072.20 : 18,453,501.90 = 6,621,040.20 : x
  2. Step 2: Convert to fraction form
    12,313,072.20/18,453,501.90 = 6,621,040.20/x
  3. Step 3: Cross multiply
    12,313,072.20x = 18,453,501.90 × 6,621,040.20
  4. Step 4: Simplify right side
    12,313,072.20x = 122,181,377,910,676.38
  5. Step 5: Solve for x
    x = 122,181,377,910,676.38/12,313,072.20
  6. Step 6: Final answer
    x = 9,922,899.49

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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.