Home / 13,523,944.56-20,279,495.16-7,845,909.36

Finding the Fourth Proportional to 13,523,944.56, 20,279,495.16 and 7,845,909.36

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Solution

The fourth proportional to 13,523,944.56, 20,279,495.16 and 7,845,909.36 is: 11,765,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523,944.56 : 20,279,495.16 = 7,845,909.36 : x
  2. Step 2: Convert to fraction form
    13,523,944.56/20,279,495.16 = 7,845,909.36/x
  3. Step 3: Cross multiply
    13,523,944.56x = 20,279,495.16 × 7,845,909.36
  4. Step 4: Simplify right side
    13,523,944.56x = 159,111,080,891,918.72
  5. Step 5: Solve for x
    x = 159,111,080,891,918.72/13,523,944.56
  6. Step 6: Final answer
    x = 11,765,138.51

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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.