Home / 13,629,365.10-20,447,991.54-4,407,140.88

Finding the Fourth Proportional to 13,629,365.10, 20,447,991.54 and 4,407,140.88

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Solution

The fourth proportional to 13,629,365.10, 20,447,991.54 and 4,407,140.88 is: 6,611,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629,365.10 : 20,447,991.54 = 4,407,140.88 : x
  2. Step 2: Convert to fraction form
    13,629,365.10/20,447,991.54 = 4,407,140.88/x
  3. Step 3: Cross multiply
    13,629,365.10x = 20,447,991.54 × 4,407,140.88
  4. Step 4: Simplify right side
    13,629,365.10x = 90,117,179,429,828.16
  5. Step 5: Solve for x
    x = 90,117,179,429,828.16/13,629,365.10
  6. Step 6: Final answer
    x = 6,611,986.60

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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.