Finding the Fourth Proportional to 12,696,820.69, 17,522,693.16 and 7,191,174.99
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Solution
The fourth proportional to 12,696,820.69, 17,522,693.16 and 7,191,174.99 is: 9,924,433.52
Step by Step Solution
- Step 1: Write the proportion equation
12,696,820.69 : 17,522,693.16 = 7,191,174.99 : x - Step 2: Convert to fraction form
12,696,820.69/17,522,693.16 = 7,191,174.99/x - Step 3: Cross multiply
12,696,820.69x = 17,522,693.16 × 7,191,174.99 - Step 4: Simplify right side
12,696,820.69x = 126,008,752,809,636.08 - Step 5: Solve for x
x = 126,008,752,809,636.08/12,696,820.69 - Step 6: Final answer
x = 9,924,433.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.