Finding the Fourth Proportional to 7,776,069.68, 10,730,982.84 and 4,338,311.24
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Solution
The fourth proportional to 7,776,069.68, 10,730,982.84 and 4,338,311.24 is: 5,986,873.24
Step by Step Solution
- Step 1: Write the proportion equation
7,776,069.68 : 10,730,982.84 = 4,338,311.24 : x - Step 2: Convert to fraction form
7,776,069.68/10,730,982.84 = 4,338,311.24/x - Step 3: Cross multiply
7,776,069.68x = 10,730,982.84 × 4,338,311.24 - Step 4: Simplify right side
7,776,069.68x = 46,554,343,471,019.12 - Step 5: Solve for x
x = 46,554,343,471,019.12/7,776,069.68 - Step 6: Final answer
x = 5,986,873.24
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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.