Home / 13,222,047.60-19,833,071.40-9,190,969.20

Finding the Fourth Proportional to 13,222,047.60, 19,833,071.40 and 9,190,969.20

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Solution

The fourth proportional to 13,222,047.60, 19,833,071.40 and 9,190,969.20 is: 13,786,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,222,047.60 : 19,833,071.40 = 9,190,969.20 : x
  2. Step 2: Convert to fraction form
    13,222,047.60/19,833,071.40 = 9,190,969.20/x
  3. Step 3: Cross multiply
    13,222,047.60x = 19,833,071.40 × 9,190,969.20
  4. Step 4: Simplify right side
    13,222,047.60x = 182,285,148,378,800.84
  5. Step 5: Solve for x
    x = 182,285,148,378,800.84/13,222,047.60
  6. Step 6: Final answer
    x = 13,786,453.80

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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.