Finding the Fourth Proportional to 15,796,537.70, 22,178,925.70 and 15,796,537.70
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Solution
The fourth proportional to 15,796,537.70, 22,178,925.70 and 15,796,537.70 is: 22,178,925.70
Step by Step Solution
- Step 1: Write the proportion equation
15,796,537.70 : 22,178,925.70 = 15,796,537.70 : x - Step 2: Convert to fraction form
15,796,537.70/22,178,925.70 = 15,796,537.70/x - Step 3: Cross multiply
15,796,537.70x = 22,178,925.70 × 15,796,537.70 - Step 4: Simplify right side
15,796,537.70x = 350,350,235,965,548.88 - Step 5: Solve for x
x = 350,350,235,965,548.88/15,796,537.70 - Step 6: Final answer
x = 22,178,925.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.