Finding the Fourth Proportional to 7,476,714.10, 10,317,610.36 and 4,124,013.28
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Solution
The fourth proportional to 7,476,714.10, 10,317,610.36 and 4,124,013.28 is: 5,690,997.62
Step by Step Solution
- Step 1: Write the proportion equation
7,476,714.10 : 10,317,610.36 = 4,124,013.28 : x - Step 2: Convert to fraction form
7,476,714.10/10,317,610.36 = 4,124,013.28/x - Step 3: Cross multiply
7,476,714.10x = 10,317,610.36 × 4,124,013.28 - Step 4: Simplify right side
7,476,714.10x = 42,549,962,098,668.99 - Step 5: Solve for x
x = 42,549,962,098,668.99/7,476,714.10 - Step 6: Final answer
x = 5,690,997.62
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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.