Finding the Fourth Proportional to 11,778,839.48, 17,668,480.62 and 3,691,636.04
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Solution
The fourth proportional to 11,778,839.48, 17,668,480.62 and 3,691,636.04 is: 5,537,523.45
Step by Step Solution
- Step 1: Write the proportion equation
11,778,839.48 : 17,668,480.62 = 3,691,636.04 : x - Step 2: Convert to fraction form
11,778,839.48/17,668,480.62 = 3,691,636.04/x - Step 3: Cross multiply
11,778,839.48x = 17,668,480.62 × 3,691,636.04 - Step 4: Simplify right side
11,778,839.48x = 65,225,599,828,833.55 - Step 5: Solve for x
x = 65,225,599,828,833.55/11,778,839.48 - Step 6: Final answer
x = 5,537,523.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.