Home / 20,447,750.40-30,734,611.20-19,314,009.60

Finding the Fourth Proportional to 20,447,750.40, 30,734,611.20 and 19,314,009.60

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Solution

The fourth proportional to 20,447,750.40, 30,734,611.20 and 19,314,009.60 is: 29,030,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,447,750.40 : 30,734,611.20 = 19,314,009.60 : x
  2. Step 2: Convert to fraction form
    20,447,750.40/30,734,611.20 = 19,314,009.60/x
  3. Step 3: Cross multiply
    20,447,750.40x = 30,734,611.20 × 19,314,009.60
  4. Step 4: Simplify right side
    20,447,750.40x = 593,608,575,769,067.50
  5. Step 5: Solve for x
    x = 593,608,575,769,067.50/20,447,750.40
  6. Step 6: Final answer
    x = 29,030,507.72

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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.