Home / 28,394,656.32-42,599,166-7,924,372.32

Finding the Fourth Proportional to 28,394,656.32, 42,599,166 and 7,924,372.32

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Solution

The fourth proportional to 28,394,656.32, 42,599,166 and 7,924,372.32 is: 11,888,562.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,394,656.32 : 42,599,166 = 7,924,372.32 : x
  2. Step 2: Convert to fraction form
    28,394,656.32/42,599,166 = 7,924,372.32/x
  3. Step 3: Cross multiply
    28,394,656.32x = 42,599,166 × 7,924,372.32
  4. Step 4: Simplify right side
    28,394,656.32x = 337,571,651,905,485.12
  5. Step 5: Solve for x
    x = 337,571,651,905,485.12/28,394,656.32
  6. Step 6: Final answer
    x = 11,888,562.70

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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.