Finding the Fourth Proportional to 19,721,304.96, 29,581,957.98 and 5,344,372.23
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Solution
The fourth proportional to 19,721,304.96, 29,581,957.98 and 5,344,372.23 is: 8,016,558.49
Step by Step Solution
- Step 1: Write the proportion equation
19,721,304.96 : 29,581,957.98 = 5,344,372.23 : x - Step 2: Convert to fraction form
19,721,304.96/29,581,957.98 = 5,344,372.23/x - Step 3: Cross multiply
19,721,304.96x = 29,581,957.98 × 5,344,372.23 - Step 4: Simplify right side
19,721,304.96x = 158,096,994,737,338.91 - Step 5: Solve for x
x = 158,096,994,737,338.91/19,721,304.96 - Step 6: Final answer
x = 8,016,558.49
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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.