Finding the Fourth Proportional to 11,471,545.49, 15,827,166.99 and 6,509,165.94
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Solution
The fourth proportional to 11,471,545.49, 15,827,166.99 and 6,509,165.94 is: 8,980,625.71
Step by Step Solution
- Step 1: Write the proportion equation
11,471,545.49 : 15,827,166.99 = 6,509,165.94 : x - Step 2: Convert to fraction form
11,471,545.49/15,827,166.99 = 6,509,165.94/x - Step 3: Cross multiply
11,471,545.49x = 15,827,166.99 × 6,509,165.94 - Step 4: Simplify right side
11,471,545.49x = 103,021,656,298,000.33 - Step 5: Solve for x
x = 103,021,656,298,000.33/11,471,545.49 - Step 6: Final answer
x = 8,980,625.71
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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.