Finding the Fourth Proportional to 17,239,569.66, 25,863,138.81 and 5,109,968.70
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Solution
The fourth proportional to 17,239,569.66, 25,863,138.81 and 5,109,968.70 is: 7,666,074.76
Step by Step Solution
- Step 1: Write the proportion equation
17,239,569.66 : 25,863,138.81 = 5,109,968.70 : x - Step 2: Convert to fraction form
17,239,569.66/25,863,138.81 = 5,109,968.70/x - Step 3: Cross multiply
17,239,569.66x = 25,863,138.81 × 5,109,968.70 - Step 4: Simplify right side
17,239,569.66x = 132,159,829,802,855.25 - Step 5: Solve for x
x = 132,159,829,802,855.25/17,239,569.66 - Step 6: Final answer
x = 7,666,074.76
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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.