Finding the Fourth Proportional to 13,653,360.36, 18,842,209.73 and 7,852,146.63
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Solution
The fourth proportional to 13,653,360.36, 18,842,209.73 and 7,852,146.63 is: 10,836,291.56
Step by Step Solution
- Step 1: Write the proportion equation
13,653,360.36 : 18,842,209.73 = 7,852,146.63 : x - Step 2: Convert to fraction form
13,653,360.36/18,842,209.73 = 7,852,146.63/x - Step 3: Cross multiply
13,653,360.36x = 18,842,209.73 × 7,852,146.63 - Step 4: Simplify right side
13,653,360.36x = 147,951,793,593,912 - Step 5: Solve for x
x = 147,951,793,593,912/13,653,360.36 - Step 6: Final answer
x = 10,836,291.56
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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.