Finding the Fourth Proportional to 7,226,230.02, 9,971,275.10 and 4,128,953.97
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Solution
The fourth proportional to 7,226,230.02, 9,971,275.10 and 4,128,953.97 is: 5,697,429.48
Step by Step Solution
- Step 1: Write the proportion equation
7,226,230.02 : 9,971,275.10 = 4,128,953.97 : x - Step 2: Convert to fraction form
7,226,230.02/9,971,275.10 = 4,128,953.97/x - Step 3: Cross multiply
7,226,230.02x = 9,971,275.10 × 4,128,953.97 - Step 4: Simplify right side
7,226,230.02x = 41,170,935,926,854.66 - Step 5: Solve for x
x = 41,170,935,926,854.66/7,226,230.02 - Step 6: Final answer
x = 5,697,429.48
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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.