Home / 20,415,025.40-30,622,538.10-20,273,307.80

Finding the Fourth Proportional to 20,415,025.40, 30,622,538.10 and 20,273,307.80

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Solution

The fourth proportional to 20,415,025.40, 30,622,538.10 and 20,273,307.80 is: 30,409,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,415,025.40 : 30,622,538.10 = 20,273,307.80 : x
  2. Step 2: Convert to fraction form
    20,415,025.40/30,622,538.10 = 20,273,307.80/x
  3. Step 3: Cross multiply
    20,415,025.40x = 30,622,538.10 × 20,273,307.80
  4. Step 4: Simplify right side
    20,415,025.40x = 620,820,140,518,527.25
  5. Step 5: Solve for x
    x = 620,820,140,518,527.25/20,415,025.40
  6. Step 6: Final answer
    x = 30,409,961.70

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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.