Finding the Fourth Proportional to 17,678,671.89, 24,396,390.45 and 9,838,049.99
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Solution
The fourth proportional to 17,678,671.89, 24,396,390.45 and 9,838,049.99 is: 13,576,410.62
Step by Step Solution
- Step 1: Write the proportion equation
17,678,671.89 : 24,396,390.45 = 9,838,049.99 : x - Step 2: Convert to fraction form
17,678,671.89/24,396,390.45 = 9,838,049.99/x - Step 3: Cross multiply
17,678,671.89x = 24,396,390.45 × 9,838,049.99 - Step 4: Simplify right side
17,678,671.89x = 240,012,908,822,658.59 - Step 5: Solve for x
x = 240,012,908,822,658.59/17,678,671.89 - Step 6: Final answer
x = 13,576,410.62
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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.