Finding the Fourth Proportional to 19,405,557.36, 26,779,199.97 and 10,703,543.13
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Solution
The fourth proportional to 19,405,557.36, 26,779,199.97 and 10,703,543.13 is: 14,770,630.73
Step by Step Solution
- Step 1: Write the proportion equation
19,405,557.36 : 26,779,199.97 = 10,703,543.13 : x - Step 2: Convert to fraction form
19,405,557.36/26,779,199.97 = 10,703,543.13/x - Step 3: Cross multiply
19,405,557.36x = 26,779,199.97 × 10,703,543.13 - Step 4: Simplify right side
19,405,557.36x = 286,632,321,865,789.69 - Step 5: Solve for x
x = 286,632,321,865,789.69/19,405,557.36 - Step 6: Final answer
x = 14,770,630.73
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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.