Finding the Fourth Proportional to 7,117,115.12, 10,678,925.76 and 3,873,794.08
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Solution
The fourth proportional to 7,117,115.12, 10,678,925.76 and 3,873,794.08 is: 5,812,461.75
Step by Step Solution
- Step 1: Write the proportion equation
7,117,115.12 : 10,678,925.76 = 3,873,794.08 : x - Step 2: Convert to fraction form
7,117,115.12/10,678,925.76 = 3,873,794.08/x - Step 3: Cross multiply
7,117,115.12x = 10,678,925.76 × 3,873,794.08 - Step 4: Simplify right side
7,117,115.12x = 41,367,959,389,847.50 - Step 5: Solve for x
x = 41,367,959,389,847.50/7,117,115.12 - Step 6: Final answer
x = 5,812,461.75
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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.