Home / 20,220,028.40-30,330,042.60-20,094,057.20

Finding the Fourth Proportional to 20,220,028.40, 30,330,042.60 and 20,094,057.20

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Solution

The fourth proportional to 20,220,028.40, 30,330,042.60 and 20,094,057.20 is: 30,141,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,220,028.40 : 30,330,042.60 = 20,094,057.20 : x
  2. Step 2: Convert to fraction form
    20,220,028.40/30,330,042.60 = 20,094,057.20/x
  3. Step 3: Cross multiply
    20,220,028.40x = 30,330,042.60 × 20,094,057.20
  4. Step 4: Simplify right side
    20,220,028.40x = 609,453,610,882,836.75
  5. Step 5: Solve for x
    x = 609,453,610,882,836.75/20,220,028.40
  6. Step 6: Final answer
    x = 30,141,085.80

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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.