Home / 20,422,046.40-30,591,079.20-14,039,505.60

Finding the Fourth Proportional to 20,422,046.40, 30,591,079.20 and 14,039,505.60

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Solution

The fourth proportional to 20,422,046.40, 30,591,079.20 and 14,039,505.60 is: 21,030,391.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,422,046.40 : 30,591,079.20 = 14,039,505.60 : x
  2. Step 2: Convert to fraction form
    20,422,046.40/30,591,079.20 = 14,039,505.60/x
  3. Step 3: Cross multiply
    20,422,046.40x = 30,591,079.20 × 14,039,505.60
  4. Step 4: Simplify right side
    20,422,046.40x = 429,483,627,738,443.50
  5. Step 5: Solve for x
    x = 429,483,627,738,443.50/20,422,046.40
  6. Step 6: Final answer
    x = 21,030,391.34

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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.