Home / 18,968,627.12-28,453,015.40-4,591,671.84

Finding the Fourth Proportional to 18,968,627.12, 28,453,015.40 and 4,591,671.84

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Solution

The fourth proportional to 18,968,627.12, 28,453,015.40 and 4,591,671.84 is: 6,887,525.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968,627.12 : 28,453,015.40 = 4,591,671.84 : x
  2. Step 2: Convert to fraction form
    18,968,627.12/28,453,015.40 = 4,591,671.84/x
  3. Step 3: Cross multiply
    18,968,627.12x = 28,453,015.40 × 4,591,671.84
  4. Step 4: Simplify right side
    18,968,627.12x = 130,646,909,575,266.33
  5. Step 5: Solve for x
    x = 130,646,909,575,266.33/18,968,627.12
  6. Step 6: Final answer
    x = 6,887,525.85

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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.