Home / 30,619,195.20-45,928,792.80-28,174,566.60

Finding the Fourth Proportional to 30,619,195.20, 45,928,792.80 and 28,174,566.60

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Solution

The fourth proportional to 30,619,195.20, 45,928,792.80 and 28,174,566.60 is: 42,261,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619,195.20 : 45,928,792.80 = 28,174,566.60 : x
  2. Step 2: Convert to fraction form
    30,619,195.20/45,928,792.80 = 28,174,566.60/x
  3. Step 3: Cross multiply
    30,619,195.20x = 45,928,792.80 × 28,174,566.60
  4. Step 4: Simplify right side
    30,619,195.20x = 1,294,023,831,601,200.50
  5. Step 5: Solve for x
    x = 1,294,023,831,601,200.50/30,619,195.20
  6. Step 6: Final answer
    x = 42,261,849.90

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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.