Finding the Fourth Proportional to 14,027,886.69, 19,371,852.99 and 13,263,649.56
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Solution
The fourth proportional to 14,027,886.69, 19,371,852.99 and 13,263,649.56 is: 18,316,477.39
Step by Step Solution
- Step 1: Write the proportion equation
14,027,886.69 : 19,371,852.99 = 13,263,649.56 : x - Step 2: Convert to fraction form
14,027,886.69/19,371,852.99 = 13,263,649.56/x - Step 3: Cross multiply
14,027,886.69x = 19,371,852.99 × 13,263,649.56 - Step 4: Simplify right side
14,027,886.69x = 256,941,469,387,198.19 - Step 5: Solve for x
x = 256,941,469,387,198.19/14,027,886.69 - Step 6: Final answer
x = 18,316,477.39
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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.