Home / 30,622,200.60-45,933,300.90-28,283,860.20

Finding the Fourth Proportional to 30,622,200.60, 45,933,300.90 and 28,283,860.20

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Solution

The fourth proportional to 30,622,200.60, 45,933,300.90 and 28,283,860.20 is: 42,425,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622,200.60 : 45,933,300.90 = 28,283,860.20 : x
  2. Step 2: Convert to fraction form
    30,622,200.60/45,933,300.90 = 28,283,860.20/x
  3. Step 3: Cross multiply
    30,622,200.60x = 45,933,300.90 × 28,283,860.20
  4. Step 4: Simplify right side
    30,622,200.60x = 1,299,171,061,180,134
  5. Step 5: Solve for x
    x = 1,299,171,061,180,134/30,622,200.60
  6. Step 6: Final answer
    x = 42,425,790.30

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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.