Finding the Fourth Proportional to 7,019,240.80, 10,513,114.80 and 5,759,528.80
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Solution
The fourth proportional to 7,019,240.80, 10,513,114.80 and 5,759,528.80 is: 8,626,372.74
Step by Step Solution
- Step 1: Write the proportion equation
7,019,240.80 : 10,513,114.80 = 5,759,528.80 : x - Step 2: Convert to fraction form
7,019,240.80/10,513,114.80 = 5,759,528.80/x - Step 3: Cross multiply
7,019,240.80x = 10,513,114.80 × 5,759,528.80 - Step 4: Simplify right side
7,019,240.80x = 60,550,587,468,306.24 - Step 5: Solve for x
x = 60,550,587,468,306.24/7,019,240.80 - Step 6: Final answer
x = 8,626,372.74
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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.