Finding the Fourth Proportional to 7,716,378.63, 10,651,598.21 and 5,788,248.36
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Solution
The fourth proportional to 7,716,378.63, 10,651,598.21 and 5,788,248.36 is: 7,990,029.88
Step by Step Solution
- Step 1: Write the proportion equation
7,716,378.63 : 10,651,598.21 = 5,788,248.36 : x - Step 2: Convert to fraction form
7,716,378.63/10,651,598.21 = 5,788,248.36/x - Step 3: Cross multiply
7,716,378.63x = 10,651,598.21 × 5,788,248.36 - Step 4: Simplify right side
7,716,378.63x = 61,654,095,844,938.57 - Step 5: Solve for x
x = 61,654,095,844,938.57/7,716,378.63 - Step 6: Final answer
x = 7,990,029.88
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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.