Home / 20,173,850.40-30,260,775.60-17,780,397.60

Finding the Fourth Proportional to 20,173,850.40, 30,260,775.60 and 17,780,397.60

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Solution

The fourth proportional to 20,173,850.40, 30,260,775.60 and 17,780,397.60 is: 26,670,596.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173,850.40 : 30,260,775.60 = 17,780,397.60 : x
  2. Step 2: Convert to fraction form
    20,173,850.40/30,260,775.60 = 17,780,397.60/x
  3. Step 3: Cross multiply
    20,173,850.40x = 30,260,775.60 × 17,780,397.60
  4. Step 4: Simplify right side
    20,173,850.40x = 538,048,621,852,378.62
  5. Step 5: Solve for x
    x = 538,048,621,852,378.62/20,173,850.40
  6. Step 6: Final answer
    x = 26,670,596.40

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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.