Home / 20,220,038.40-30,330,057.60-20,094,067.20

Finding the Fourth Proportional to 20,220,038.40, 30,330,057.60 and 20,094,067.20

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Solution

The fourth proportional to 20,220,038.40, 30,330,057.60 and 20,094,067.20 is: 30,141,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,220,038.40 : 30,330,057.60 = 20,094,067.20 : x
  2. Step 2: Convert to fraction form
    20,220,038.40/30,330,057.60 = 20,094,067.20/x
  3. Step 3: Cross multiply
    20,220,038.40x = 30,330,057.60 × 20,094,067.20
  4. Step 4: Simplify right side
    20,220,038.40x = 609,454,215,594,270.75
  5. Step 5: Solve for x
    x = 609,454,215,594,270.75/20,220,038.40
  6. Step 6: Final answer
    x = 30,141,100.80

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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.