Home / 28,040,438.40-39,313,300.80-28,040,438.40

Finding the Fourth Proportional to 28,040,438.40, 39,313,300.80 and 28,040,438.40

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Solution

The fourth proportional to 28,040,438.40, 39,313,300.80 and 28,040,438.40 is: 39,313,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040,438.40 : 39,313,300.80 = 28,040,438.40 : x
  2. Step 2: Convert to fraction form
    28,040,438.40/39,313,300.80 = 28,040,438.40/x
  3. Step 3: Cross multiply
    28,040,438.40x = 39,313,300.80 × 28,040,438.40
  4. Step 4: Simplify right side
    28,040,438.40x = 1,102,362,189,383,070.62
  5. Step 5: Solve for x
    x = 1,102,362,189,383,070.62/28,040,438.40
  6. Step 6: Final answer
    x = 39,313,300.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.