Finding the Fourth Proportional to 19,244,656.39, 26,557,623.61 and 11,509,697.47
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Solution
The fourth proportional to 19,244,656.39, 26,557,623.61 and 11,509,697.47 is: 15,883,381.19
Step by Step Solution
- Step 1: Write the proportion equation
19,244,656.39 : 26,557,623.61 = 11,509,697.47 : x - Step 2: Convert to fraction form
19,244,656.39/26,557,623.61 = 11,509,697.47/x - Step 3: Cross multiply
19,244,656.39x = 26,557,623.61 × 11,509,697.47 - Step 4: Simplify right side
19,244,656.39x = 305,670,213,273,229.25 - Step 5: Solve for x
x = 305,670,213,273,229.25/19,244,656.39 - Step 6: Final answer
x = 15,883,381.19
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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.