Finding the Fourth Proportional to 11,182,545.21, 15,433,182.81 and 6,221,477.46
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Solution
The fourth proportional to 11,182,545.21, 15,433,182.81 and 6,221,477.46 is: 8,586,345.70
Step by Step Solution
- Step 1: Write the proportion equation
11,182,545.21 : 15,433,182.81 = 6,221,477.46 : x - Step 2: Convert to fraction form
11,182,545.21/15,433,182.81 = 6,221,477.46/x - Step 3: Cross multiply
11,182,545.21x = 15,433,182.81 × 6,221,477.46 - Step 4: Simplify right side
11,182,545.21x = 96,017,198,988,474.47 - Step 5: Solve for x
x = 96,017,198,988,474.47/11,182,545.21 - Step 6: Final answer
x = 8,586,345.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.