Home / 21,040,201.62-31,562,099.55-7,392,155.22

Finding the Fourth Proportional to 21,040,201.62, 31,562,099.55 and 7,392,155.22

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Solution

The fourth proportional to 21,040,201.62, 31,562,099.55 and 7,392,155.22 is: 11,088,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,040,201.62 : 31,562,099.55 = 7,392,155.22 : x
  2. Step 2: Convert to fraction form
    21,040,201.62/31,562,099.55 = 7,392,155.22/x
  3. Step 3: Cross multiply
    21,040,201.62x = 31,562,099.55 × 7,392,155.22
  4. Step 4: Simplify right side
    21,040,201.62x = 233,311,938,942,692.16
  5. Step 5: Solve for x
    x = 233,311,938,942,692.16/21,040,201.62
  6. Step 6: Final answer
    x = 11,088,864.22

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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.