Finding the Fourth Proportional to 11,877,147.84, 16,386,654.75 and 6,649,387.62
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Solution
The fourth proportional to 11,877,147.84, 16,386,654.75 and 6,649,387.62 is: 9,174,022.31
Step by Step Solution
- Step 1: Write the proportion equation
11,877,147.84 : 16,386,654.75 = 6,649,387.62 : x - Step 2: Convert to fraction form
11,877,147.84/16,386,654.75 = 6,649,387.62/x - Step 3: Cross multiply
11,877,147.84x = 16,386,654.75 × 6,649,387.62 - Step 4: Simplify right side
11,877,147.84x = 108,961,219,227,864.20 - Step 5: Solve for x
x = 108,961,219,227,864.20/11,877,147.84 - Step 6: Final answer
x = 9,174,022.31
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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.