Home / 13,674,365.46-18,876,434.76-8,520,273.54

Finding the Fourth Proportional to 13,674,365.46, 18,876,434.76 and 8,520,273.54

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Solution

The fourth proportional to 13,674,365.46, 18,876,434.76 and 8,520,273.54 is: 11,761,597.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674,365.46 : 18,876,434.76 = 8,520,273.54 : x
  2. Step 2: Convert to fraction form
    13,674,365.46/18,876,434.76 = 8,520,273.54/x
  3. Step 3: Cross multiply
    13,674,365.46x = 18,876,434.76 × 8,520,273.54
  4. Step 4: Simplify right side
    13,674,365.46x = 160,832,387,615,164.25
  5. Step 5: Solve for x
    x = 160,832,387,615,164.25/13,674,365.46
  6. Step 6: Final answer
    x = 11,761,597.87

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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.