Home / 13,459,190.82-18,573,588.63-7,347,619.32

Finding the Fourth Proportional to 13,459,190.82, 18,573,588.63 and 7,347,619.32

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Solution

The fourth proportional to 13,459,190.82, 18,573,588.63 and 7,347,619.32 is: 10,139,662.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459,190.82 : 18,573,588.63 = 7,347,619.32 : x
  2. Step 2: Convert to fraction form
    13,459,190.82/18,573,588.63 = 7,347,619.32/x
  3. Step 3: Cross multiply
    13,459,190.82x = 18,573,588.63 × 7,347,619.32
  4. Step 4: Simplify right side
    13,459,190.82x = 136,471,658,659,520.33
  5. Step 5: Solve for x
    x = 136,471,658,659,520.33/13,459,190.82
  6. Step 6: Final answer
    x = 10,139,662.96

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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.