Home / 18,968,806.76-28,453,284.24-4,591,851.08

Finding the Fourth Proportional to 18,968,806.76, 28,453,284.24 and 4,591,851.08

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Solution

The fourth proportional to 18,968,806.76, 28,453,284.24 and 4,591,851.08 is: 6,887,794.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968,806.76 : 28,453,284.24 = 4,591,851.08 : x
  2. Step 2: Convert to fraction form
    18,968,806.76/28,453,284.24 = 4,591,851.08/x
  3. Step 3: Cross multiply
    18,968,806.76x = 28,453,284.24 × 4,591,851.08
  4. Step 4: Simplify right side
    18,968,806.76x = 130,653,243,966,990.97
  5. Step 5: Solve for x
    x = 130,653,243,966,990.97/18,968,806.76
  6. Step 6: Final answer
    x = 6,887,794.56

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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.