Finding the Fourth Proportional to 6,720,271.70, 10,080,407.55 and 4,830,703.70
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Solution
The fourth proportional to 6,720,271.70, 10,080,407.55 and 4,830,703.70 is: 7,246,055.55
Step by Step Solution
- Step 1: Write the proportion equation
6,720,271.70 : 10,080,407.55 = 4,830,703.70 : x - Step 2: Convert to fraction form
6,720,271.70/10,080,407.55 = 4,830,703.70/x - Step 3: Cross multiply
6,720,271.70x = 10,080,407.55 × 4,830,703.70 - Step 4: Simplify right side
6,720,271.70x = 48,695,462,049,292.94 - Step 5: Solve for x
x = 48,695,462,049,292.94/6,720,271.70 - Step 6: Final answer
x = 7,246,055.55
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Similar ratio
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1.5x scale
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.