Finding the Fourth Proportional to 19,467,557.72, 26,857,115.25 and 11,205,643.04
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Solution
The fourth proportional to 19,467,557.72, 26,857,115.25 and 11,205,643.04 is: 15,459,116.70
Step by Step Solution
- Step 1: Write the proportion equation
19,467,557.72 : 26,857,115.25 = 11,205,643.04 : x - Step 2: Convert to fraction form
19,467,557.72/26,857,115.25 = 11,205,643.04/x - Step 3: Cross multiply
19,467,557.72x = 26,857,115.25 × 11,205,643.04 - Step 4: Simplify right side
19,467,557.72x = 300,951,246,575,640.31 - Step 5: Solve for x
x = 300,951,246,575,640.31/19,467,557.72 - Step 6: Final answer
x = 15,459,116.70
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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.