Finding the Fourth Proportional to 10,368,598.60, 15,545,121.90 and 5,323,529.80
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Solution
The fourth proportional to 10,368,598.60, 15,545,121.90 and 5,323,529.80 is: 7,981,302.28
Step by Step Solution
- Step 1: Write the proportion equation
10,368,598.60 : 15,545,121.90 = 5,323,529.80 : x - Step 2: Convert to fraction form
10,368,598.60/15,545,121.90 = 5,323,529.80/x - Step 3: Cross multiply
10,368,598.60x = 15,545,121.90 × 5,323,529.80 - Step 4: Simplify right side
10,368,598.60x = 82,754,919,679,282.62 - Step 5: Solve for x
x = 82,754,919,679,282.62/10,368,598.60 - Step 6: Final answer
x = 7,981,302.28
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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.