Home / 15,405,745.40-23,089,955.70-6,877,028.60

Finding the Fourth Proportional to 15,405,745.40, 23,089,955.70 and 6,877,028.60

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Solution

The fourth proportional to 15,405,745.40, 23,089,955.70 and 6,877,028.60 is: 10,307,212.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,405,745.40 : 23,089,955.70 = 6,877,028.60 : x
  2. Step 2: Convert to fraction form
    15,405,745.40/23,089,955.70 = 6,877,028.60/x
  3. Step 3: Cross multiply
    15,405,745.40x = 23,089,955.70 × 6,877,028.60
  4. Step 4: Simplify right side
    15,405,745.40x = 158,790,285,721,633
  5. Step 5: Solve for x
    x = 158,790,285,721,633/15,405,745.40
  6. Step 6: Final answer
    x = 10,307,212.12

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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.