Home / 20,883,360.40-31,325,040.60-15,214,656.40

Finding the Fourth Proportional to 20,883,360.40, 31,325,040.60 and 15,214,656.40

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Solution

The fourth proportional to 20,883,360.40, 31,325,040.60 and 15,214,656.40 is: 22,821,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,360.40 : 31,325,040.60 = 15,214,656.40 : x
  2. Step 2: Convert to fraction form
    20,883,360.40/31,325,040.60 = 15,214,656.40/x
  3. Step 3: Cross multiply
    20,883,360.40x = 31,325,040.60 × 15,214,656.40
  4. Step 4: Simplify right side
    20,883,360.40x = 476,599,729,445,049.88
  5. Step 5: Solve for x
    x = 476,599,729,445,049.88/20,883,360.40
  6. Step 6: Final answer
    x = 22,821,984.60

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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.