Home / 13,644,903.85-18,831,618.48-7,765,967.41

Finding the Fourth Proportional to 13,644,903.85, 18,831,618.48 and 7,765,967.41

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Solution

The fourth proportional to 13,644,903.85, 18,831,618.48 and 7,765,967.41 is: 10,717,974.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644,903.85 : 18,831,618.48 = 7,765,967.41 : x
  2. Step 2: Convert to fraction form
    13,644,903.85/18,831,618.48 = 7,765,967.41/x
  3. Step 3: Cross multiply
    13,644,903.85x = 18,831,618.48 × 7,765,967.41
  4. Step 4: Simplify right side
    13,644,903.85x = 146,245,735,393,233.75
  5. Step 5: Solve for x
    x = 146,245,735,393,233.75/13,644,903.85
  6. Step 6: Final answer
    x = 10,717,974.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.