Finding the Fourth Proportional to 17,957,659.29, 24,781,569.75 and 9,697,721.11
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Solution
The fourth proportional to 17,957,659.29, 24,781,569.75 and 9,697,721.11 is: 13,382,855.09
Step by Step Solution
- Step 1: Write the proportion equation
17,957,659.29 : 24,781,569.75 = 9,697,721.11 : x - Step 2: Convert to fraction form
17,957,659.29/24,781,569.75 = 9,697,721.11/x - Step 3: Cross multiply
17,957,659.29x = 24,781,569.75 × 9,697,721.11 - Step 4: Simplify right side
17,957,659.29x = 240,324,751,931,116 - Step 5: Solve for x
x = 240,324,751,931,116/17,957,659.29 - Step 6: Final answer
x = 13,382,855.09
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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.