Finding the Fourth Proportional to 17,108,865.96, 23,609,332.62 and 9,766,407.12
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Solution
The fourth proportional to 17,108,865.96, 23,609,332.62 and 9,766,407.12 is: 13,477,126.70
Step by Step Solution
- Step 1: Write the proportion equation
17,108,865.96 : 23,609,332.62 = 9,766,407.12 : x - Step 2: Convert to fraction form
17,108,865.96/23,609,332.62 = 9,766,407.12/x - Step 3: Cross multiply
17,108,865.96x = 23,609,332.62 × 9,766,407.12 - Step 4: Simplify right side
17,108,865.96x = 230,578,354,198,416.25 - Step 5: Solve for x
x = 230,578,354,198,416.25/17,108,865.96 - Step 6: Final answer
x = 13,477,126.70
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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.