Home / 29,380,995.07-40,533,196.10-18,348,591.56

Finding the Fourth Proportional to 29,380,995.07, 40,533,196.10 and 18,348,591.56

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Solution

The fourth proportional to 29,380,995.07, 40,533,196.10 and 18,348,591.56 is: 25,313,201.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,380,995.07 : 40,533,196.10 = 18,348,591.56 : x
  2. Step 2: Convert to fraction form
    29,380,995.07/40,533,196.10 = 18,348,591.56/x
  3. Step 3: Cross multiply
    29,380,995.07x = 40,533,196.10 × 18,348,591.56
  4. Step 4: Simplify right side
    29,380,995.07x = 743,727,059,860,284.88
  5. Step 5: Solve for x
    x = 743,727,059,860,284.88/29,380,995.07
  6. Step 6: Final answer
    x = 25,313,201.89

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1.5x scale

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.