Finding the Fourth Proportional to 13,966,858.36, 20,955,405.12 and 5,881,869.28
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Solution
The fourth proportional to 13,966,858.36, 20,955,405.12 and 5,881,869.28 is: 8,824,959.09
Step by Step Solution
- Step 1: Write the proportion equation
13,966,858.36 : 20,955,405.12 = 5,881,869.28 : x - Step 2: Convert to fraction form
13,966,858.36/20,955,405.12 = 5,881,869.28/x - Step 3: Cross multiply
13,966,858.36x = 20,955,405.12 × 5,881,869.28 - Step 4: Simplify right side
13,966,858.36x = 123,256,953,625,282.72 - Step 5: Solve for x
x = 123,256,953,625,282.72/13,966,858.36 - Step 6: Final answer
x = 8,824,959.09
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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.