Finding the Fourth Proportional to 10,270,763.08, 14,173,479.84 and 5,686,986.04
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Solution
The fourth proportional to 10,270,763.08, 14,173,479.84 and 5,686,986.04 is: 7,847,944.83
Step by Step Solution
- Step 1: Write the proportion equation
10,270,763.08 : 14,173,479.84 = 5,686,986.04 : x - Step 2: Convert to fraction form
10,270,763.08/14,173,479.84 = 5,686,986.04/x - Step 3: Cross multiply
10,270,763.08x = 14,173,479.84 × 5,686,986.04 - Step 4: Simplify right side
10,270,763.08x = 80,604,381,988,301.44 - Step 5: Solve for x
x = 80,604,381,988,301.44/10,270,763.08 - Step 6: Final answer
x = 7,847,944.83
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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.