Finding the Fourth Proportional to 9,185,979.82, 13,779,006.88 and 3,721,177.99
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Solution
The fourth proportional to 9,185,979.82, 13,779,006.88 and 3,721,177.99 is: 5,581,782.04
Step by Step Solution
- Step 1: Write the proportion equation
9,185,979.82 : 13,779,006.88 = 3,721,177.99 : x - Step 2: Convert to fraction form
9,185,979.82/13,779,006.88 = 3,721,177.99/x - Step 3: Cross multiply
9,185,979.82x = 13,779,006.88 × 3,721,177.99 - Step 4: Simplify right side
9,185,979.82x = 51,274,137,195,265.70 - Step 5: Solve for x
x = 51,274,137,195,265.70/9,185,979.82 - Step 6: Final answer
x = 5,581,782.04
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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.