Finding the Fourth Proportional to 18,736,203.06, 25,845,986.49 and 11,396,281.14
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Solution
The fourth proportional to 18,736,203.06, 25,845,986.49 and 11,396,281.14 is: 15,720,801.46
Step by Step Solution
- Step 1: Write the proportion equation
18,736,203.06 : 25,845,986.49 = 11,396,281.14 : x - Step 2: Convert to fraction form
18,736,203.06/25,845,986.49 = 11,396,281.14/x - Step 3: Cross multiply
18,736,203.06x = 25,845,986.49 × 11,396,281.14 - Step 4: Simplify right side
18,736,203.06x = 294,548,128,380,681.81 - Step 5: Solve for x
x = 294,548,128,380,681.81/18,736,203.06 - Step 6: Final answer
x = 15,720,801.46
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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.