Home / 20,093,205.18-30,101,880.66-11,871,314.46

Finding the Fourth Proportional to 20,093,205.18, 30,101,880.66 and 11,871,314.46

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Solution

The fourth proportional to 20,093,205.18, 30,101,880.66 and 11,871,314.46 is: 17,784,563.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093,205.18 : 30,101,880.66 = 11,871,314.46 : x
  2. Step 2: Convert to fraction form
    20,093,205.18/30,101,880.66 = 11,871,314.46/x
  3. Step 3: Cross multiply
    20,093,205.18x = 30,101,880.66 × 11,871,314.46
  4. Step 4: Simplify right side
    20,093,205.18x = 357,348,891,152,252.38
  5. Step 5: Solve for x
    x = 357,348,891,152,252.38/20,093,205.18
  6. Step 6: Final answer
    x = 17,784,563.88

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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.