Finding the Fourth Proportional to 16,182,115.29, 22,331,998.76 and 9,306,603.63
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Solution
The fourth proportional to 16,182,115.29, 22,331,998.76 and 9,306,603.63 is: 12,843,503.89
Step by Step Solution
- Step 1: Write the proportion equation
16,182,115.29 : 22,331,998.76 = 9,306,603.63 : x - Step 2: Convert to fraction form
16,182,115.29/22,331,998.76 = 9,306,603.63/x - Step 3: Cross multiply
16,182,115.29x = 22,331,998.76 × 9,306,603.63 - Step 4: Simplify right side
16,182,115.29x = 207,835,060,678,438.50 - Step 5: Solve for x
x = 207,835,060,678,438.50/16,182,115.29 - Step 6: Final answer
x = 12,843,503.89
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1.5x scale
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.