Finding the Fourth Proportional to 19,422,407.10, 26,802,923.39 and 10,720,581.96
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Solution
The fourth proportional to 19,422,407.10, 26,802,923.39 and 10,720,581.96 is: 14,794,403.99
Step by Step Solution
- Step 1: Write the proportion equation
19,422,407.10 : 26,802,923.39 = 10,720,581.96 : x - Step 2: Convert to fraction form
19,422,407.10/26,802,923.39 = 10,720,581.96/x - Step 3: Cross multiply
19,422,407.10x = 26,802,923.39 × 10,720,581.96 - Step 4: Simplify right side
19,422,407.10x = 287,342,937,057,206.25 - Step 5: Solve for x
x = 287,342,937,057,206.25/19,422,407.10 - Step 6: Final answer
x = 14,794,403.99
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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.