Home / 52,831,949.20-79,247,923.80-18,756,739.60

Finding the Fourth Proportional to 52,831,949.20, 79,247,923.80 and 18,756,739.60

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Solution

The fourth proportional to 52,831,949.20, 79,247,923.80 and 18,756,739.60 is: 28,135,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,831,949.20 : 79,247,923.80 = 18,756,739.60 : x
  2. Step 2: Convert to fraction form
    52,831,949.20/79,247,923.80 = 18,756,739.60/x
  3. Step 3: Cross multiply
    52,831,949.20x = 79,247,923.80 × 18,756,739.60
  4. Step 4: Simplify right side
    52,831,949.20x = 1,486,432,670,557,242.50
  5. Step 5: Solve for x
    x = 1,486,432,670,557,242.50/52,831,949.20
  6. Step 6: Final answer
    x = 28,135,109.40

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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.