Finding the Fourth Proportional to 19,691,933.76, 29,537,663.04 and 5,117,562.08
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Solution
The fourth proportional to 19,691,933.76, 29,537,663.04 and 5,117,562.08 is: 7,676,281.37
Step by Step Solution
- Step 1: Write the proportion equation
19,691,933.76 : 29,537,663.04 = 5,117,562.08 : x - Step 2: Convert to fraction form
19,691,933.76/29,537,663.04 = 5,117,562.08/x - Step 3: Cross multiply
19,691,933.76x = 29,537,663.04 × 5,117,562.08 - Step 4: Simplify right side
19,691,933.76x = 151,160,824,305,321.53 - Step 5: Solve for x
x = 151,160,824,305,321.53/19,691,933.76 - Step 6: Final answer
x = 7,676,281.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.