Home / 20,415,020.40-30,622,530.60-20,273,302.80

Finding the Fourth Proportional to 20,415,020.40, 30,622,530.60 and 20,273,302.80

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Solution

The fourth proportional to 20,415,020.40, 30,622,530.60 and 20,273,302.80 is: 30,409,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,415,020.40 : 30,622,530.60 = 20,273,302.80 : x
  2. Step 2: Convert to fraction form
    20,415,020.40/30,622,530.60 = 20,273,302.80/x
  3. Step 3: Cross multiply
    20,415,020.40x = 30,622,530.60 × 20,273,302.80
  4. Step 4: Simplify right side
    20,415,020.40x = 620,819,835,356,065.75
  5. Step 5: Solve for x
    x = 620,819,835,356,065.75/20,415,020.40
  6. Step 6: Final answer
    x = 30,409,954.20

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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.