Finding the Fourth Proportional to 15,463,272.61, 21,338,071.72 and 8,937,324.75
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Solution
The fourth proportional to 15,463,272.61, 21,338,071.72 and 8,937,324.75 is: 12,332,788.88
Step by Step Solution
- Step 1: Write the proportion equation
15,463,272.61 : 21,338,071.72 = 8,937,324.75 : x - Step 2: Convert to fraction form
15,463,272.61/21,338,071.72 = 8,937,324.75/x - Step 3: Cross multiply
15,463,272.61x = 21,338,071.72 × 8,937,324.75 - Step 4: Simplify right side
15,463,272.61x = 190,705,276,438,078.88 - Step 5: Solve for x
x = 190,705,276,438,078.88/15,463,272.61 - Step 6: Final answer
x = 12,332,788.88
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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.