Finding the Fourth Proportional to 7,413,545.48, 11,128,178.73 and 6,566,118.49
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Solution
The fourth proportional to 7,413,545.48, 11,128,178.73 and 6,566,118.49 is: 9,856,139.72
Step by Step Solution
- Step 1: Write the proportion equation
7,413,545.48 : 11,128,178.73 = 6,566,118.49 : x - Step 2: Convert to fraction form
7,413,545.48/11,128,178.73 = 6,566,118.49/x - Step 3: Cross multiply
7,413,545.48x = 11,128,178.73 × 6,566,118.49 - Step 4: Simplify right side
7,413,545.48x = 73,068,940,063,436.83 - Step 5: Solve for x
x = 73,068,940,063,436.83/7,413,545.48 - Step 6: Final answer
x = 9,856,139.72
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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.