Finding the Fourth Proportional to 19,405,559.22, 26,779,202.52 and 10,703,544.99
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Solution
The fourth proportional to 19,405,559.22, 26,779,202.52 and 10,703,544.99 is: 14,770,633.29
Step by Step Solution
- Step 1: Write the proportion equation
19,405,559.22 : 26,779,202.52 = 10,703,544.99 : x - Step 2: Convert to fraction form
19,405,559.22/26,779,202.52 = 10,703,544.99/x - Step 3: Cross multiply
19,405,559.22x = 26,779,202.52 × 10,703,544.99 - Step 4: Simplify right side
19,405,559.22x = 286,632,398,969,141.38 - Step 5: Solve for x
x = 286,632,398,969,141.38/19,405,559.22 - Step 6: Final answer
x = 14,770,633.29
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1.5x scale
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.