Finding the Fourth Proportional to 19,660,518.22, 27,143,154.64 and 17,479,035.94
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Solution
The fourth proportional to 19,660,518.22, 27,143,154.64 and 17,479,035.94 is: 24,131,417.60
Step by Step Solution
- Step 1: Write the proportion equation
19,660,518.22 : 27,143,154.64 = 17,479,035.94 : x - Step 2: Convert to fraction form
19,660,518.22/27,143,154.64 = 17,479,035.94/x - Step 3: Cross multiply
19,660,518.22x = 27,143,154.64 × 17,479,035.94 - Step 4: Simplify right side
19,660,518.22x = 474,436,175,477,537.81 - Step 5: Solve for x
x = 474,436,175,477,537.81/19,660,518.22 - Step 6: Final answer
x = 24,131,417.60
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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.