Finding the Fourth Proportional to 19,982,459.01, 27,576,462.09 and 12,246,007.26
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Solution
The fourth proportional to 19,982,459.01, 27,576,462.09 and 12,246,007.26 is: 16,899,899.80
Step by Step Solution
- Step 1: Write the proportion equation
19,982,459.01 : 27,576,462.09 = 12,246,007.26 : x - Step 2: Convert to fraction form
19,982,459.01/27,576,462.09 = 12,246,007.26/x - Step 3: Cross multiply
19,982,459.01x = 27,576,462.09 × 12,246,007.26 - Step 4: Simplify right side
19,982,459.01x = 337,701,554,959,254.75 - Step 5: Solve for x
x = 337,701,554,959,254.75/19,982,459.01 - Step 6: Final answer
x = 16,899,899.80
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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.