Finding the Fourth Proportional to 19,987,110.36, 27,582,300.32 and 10,819,753.11
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Solution
The fourth proportional to 19,987,110.36, 27,582,300.32 and 10,819,753.11 is: 14,931,306.94
Step by Step Solution
- Step 1: Write the proportion equation
19,987,110.36 : 27,582,300.32 = 10,819,753.11 : x - Step 2: Convert to fraction form
19,987,110.36/27,582,300.32 = 10,819,753.11/x - Step 3: Cross multiply
19,987,110.36x = 27,582,300.32 × 10,819,753.11 - Step 4: Simplify right side
19,987,110.36x = 298,433,679,614,175.25 - Step 5: Solve for x
x = 298,433,679,614,175.25/19,987,110.36 - Step 6: Final answer
x = 14,931,306.94
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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.