Home / 28,383,401.94-39,186,109.47-18,610,893.90

Finding the Fourth Proportional to 28,383,401.94, 39,186,109.47 and 18,610,893.90

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Solution

The fourth proportional to 28,383,401.94, 39,186,109.47 and 18,610,893.90 is: 25,694,190.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383,401.94 : 39,186,109.47 = 18,610,893.90 : x
  2. Step 2: Convert to fraction form
    28,383,401.94/39,186,109.47 = 18,610,893.90/x
  3. Step 3: Cross multiply
    28,383,401.94x = 39,186,109.47 × 18,610,893.90
  4. Step 4: Simplify right side
    28,383,401.94x = 729,288,525,699,955.12
  5. Step 5: Solve for x
    x = 729,288,525,699,955.12/28,383,401.94
  6. Step 6: Final answer
    x = 25,694,190.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.