Finding the Fourth Proportional to 16,862,743.68, 25,292,413.23 and 11,432,703.72
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Solution
The fourth proportional to 16,862,743.68, 25,292,413.23 and 11,432,703.72 is: 17,147,901.45
Step by Step Solution
- Step 1: Write the proportion equation
16,862,743.68 : 25,292,413.23 = 11,432,703.72 : x - Step 2: Convert to fraction form
16,862,743.68/25,292,413.23 = 11,432,703.72/x - Step 3: Cross multiply
16,862,743.68x = 25,292,413.23 × 11,432,703.72 - Step 4: Simplify right side
16,862,743.68x = 289,160,666,822,398.25 - Step 5: Solve for x
x = 289,160,666,822,398.25/16,862,743.68 - Step 6: Final answer
x = 17,147,901.45
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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.