Home / 30,335,999.60-45,503,999.40-18,998,591.60

Finding the Fourth Proportional to 30,335,999.60, 45,503,999.40 and 18,998,591.60

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Solution

The fourth proportional to 30,335,999.60, 45,503,999.40 and 18,998,591.60 is: 28,497,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,335,999.60 : 45,503,999.40 = 18,998,591.60 : x
  2. Step 2: Convert to fraction form
    30,335,999.60/45,503,999.40 = 18,998,591.60/x
  3. Step 3: Cross multiply
    30,335,999.60x = 45,503,999.40 × 18,998,591.60
  4. Step 4: Simplify right side
    30,335,999.60x = 864,511,900,767,245.12
  5. Step 5: Solve for x
    x = 864,511,900,767,245.12/30,335,999.60
  6. Step 6: Final answer
    x = 28,497,887.40

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1.5x scale

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.