Home / 7,018,209.56-9,685,129.20-3,798,945.56

Finding the Fourth Proportional to 7,018,209.56, 9,685,129.20 and 3,798,945.56

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Solution

The fourth proportional to 7,018,209.56, 9,685,129.20 and 3,798,945.56 is: 5,242,544.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018,209.56 : 9,685,129.20 = 3,798,945.56 : x
  2. Step 2: Convert to fraction form
    7,018,209.56/9,685,129.20 = 3,798,945.56/x
  3. Step 3: Cross multiply
    7,018,209.56x = 9,685,129.20 × 3,798,945.56
  4. Step 4: Simplify right side
    7,018,209.56x = 36,793,278,582,333.12
  5. Step 5: Solve for x
    x = 36,793,278,582,333.12/7,018,209.56
  6. Step 6: Final answer
    x = 5,242,544.88

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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.