Home / 30,665,388.60-45,998,082.90-28,775,820.60

Finding the Fourth Proportional to 30,665,388.60, 45,998,082.90 and 28,775,820.60

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Solution

The fourth proportional to 30,665,388.60, 45,998,082.90 and 28,775,820.60 is: 43,163,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,665,388.60 : 45,998,082.90 = 28,775,820.60 : x
  2. Step 2: Convert to fraction form
    30,665,388.60/45,998,082.90 = 28,775,820.60/x
  3. Step 3: Cross multiply
    30,665,388.60x = 45,998,082.90 × 28,775,820.60
  4. Step 4: Simplify right side
    30,665,388.60x = 1,323,632,581,474,327.75
  5. Step 5: Solve for x
    x = 1,323,632,581,474,327.75/30,665,388.60
  6. Step 6: Final answer
    x = 43,163,730.90

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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.