Home / 27,605,743.80-41,408,615.70-18,996,399.60

Finding the Fourth Proportional to 27,605,743.80, 41,408,615.70 and 18,996,399.60

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Solution

The fourth proportional to 27,605,743.80, 41,408,615.70 and 18,996,399.60 is: 28,494,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,605,743.80 : 41,408,615.70 = 18,996,399.60 : x
  2. Step 2: Convert to fraction form
    27,605,743.80/41,408,615.70 = 18,996,399.60/x
  3. Step 3: Cross multiply
    27,605,743.80x = 41,408,615.70 × 18,996,399.60
  4. Step 4: Simplify right side
    27,605,743.80x = 786,614,610,720,033.88
  5. Step 5: Solve for x
    x = 786,614,610,720,033.88/27,605,743.80
  6. Step 6: Final answer
    x = 28,494,599.40

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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.