Finding the Fourth Proportional to 7,686,252.03, 10,607,242.11 and 4,248,714.09
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Solution
The fourth proportional to 7,686,252.03, 10,607,242.11 and 4,248,714.09 is: 5,863,343.91
Step by Step Solution
- Step 1: Write the proportion equation
7,686,252.03 : 10,607,242.11 = 4,248,714.09 : x - Step 2: Convert to fraction form
7,686,252.03/10,607,242.11 = 4,248,714.09/x - Step 3: Cross multiply
7,686,252.03x = 10,607,242.11 × 4,248,714.09 - Step 4: Simplify right side
7,686,252.03x = 45,067,139,008,798.33 - Step 5: Solve for x
x = 45,067,139,008,798.33/7,686,252.03 - Step 6: Final answer
x = 5,863,343.91
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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.