Home / 30,458,796.50-42,033,141.60-16,707,795.86

Finding the Fourth Proportional to 30,458,796.50, 42,033,141.60 and 16,707,795.86

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Solution

The fourth proportional to 30,458,796.50, 42,033,141.60 and 16,707,795.86 is: 23,056,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,458,796.50 : 42,033,141.60 = 16,707,795.86 : x
  2. Step 2: Convert to fraction form
    30,458,796.50/42,033,141.60 = 16,707,795.86/x
  3. Step 3: Cross multiply
    30,458,796.50x = 42,033,141.60 × 16,707,795.86
  4. Step 4: Simplify right side
    30,458,796.50x = 702,281,149,207,273.75
  5. Step 5: Solve for x
    x = 702,281,149,207,273.75/30,458,796.50
  6. Step 6: Final answer
    x = 23,056,759.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.