Home / 30,582,005.80-45,873,008.70-18,488,770.60

Finding the Fourth Proportional to 30,582,005.80, 45,873,008.70 and 18,488,770.60

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Solution

The fourth proportional to 30,582,005.80, 45,873,008.70 and 18,488,770.60 is: 27,733,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,582,005.80 : 45,873,008.70 = 18,488,770.60 : x
  2. Step 2: Convert to fraction form
    30,582,005.80/45,873,008.70 = 18,488,770.60/x
  3. Step 3: Cross multiply
    30,582,005.80x = 45,873,008.70 × 18,488,770.60
  4. Step 4: Simplify right side
    30,582,005.80x = 848,135,534,586,104.38
  5. Step 5: Solve for x
    x = 848,135,534,586,104.38/30,582,005.80
  6. Step 6: Final answer
    x = 27,733,155.90

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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.