Finding the Fourth Proportional to 19,575,060.21, 27,007,488.69 and 11,312,112.21
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Solution
The fourth proportional to 19,575,060.21, 27,007,488.69 and 11,312,112.21 is: 15,607,192.99
Step by Step Solution
- Step 1: Write the proportion equation
19,575,060.21 : 27,007,488.69 = 11,312,112.21 : x - Step 2: Convert to fraction form
19,575,060.21/27,007,488.69 = 11,312,112.21/x - Step 3: Cross multiply
19,575,060.21x = 27,007,488.69 × 11,312,112.21 - Step 4: Simplify right side
19,575,060.21x = 305,511,742,427,887.44 - Step 5: Solve for x
x = 305,511,742,427,887.44/19,575,060.21 - Step 6: Final answer
x = 15,607,192.99
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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.