Finding the Fourth Proportional to 19,868,508.24, 27,420,814.80 and 11,048,839.44
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Solution
The fourth proportional to 19,868,508.24, 27,420,814.80 and 11,048,839.44 is: 15,248,662.68
Step by Step Solution
- Step 1: Write the proportion equation
19,868,508.24 : 27,420,814.80 = 11,048,839.44 : x - Step 2: Convert to fraction form
19,868,508.24/27,420,814.80 = 11,048,839.44/x - Step 3: Cross multiply
19,868,508.24x = 27,420,814.80 × 11,048,839.44 - Step 4: Simplify right side
19,868,508.24x = 302,968,180,039,175.69 - Step 5: Solve for x
x = 302,968,180,039,175.69/19,868,508.24 - Step 6: Final answer
x = 15,248,662.68
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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.