Finding the Fourth Proportional to 22,901,166.48, 31,603,247.52 and 12,587,668.08
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Solution
The fourth proportional to 22,901,166.48, 31,603,247.52 and 12,587,668.08 is: 17,370,782.85
Step by Step Solution
- Step 1: Write the proportion equation
22,901,166.48 : 31,603,247.52 = 12,587,668.08 : x - Step 2: Convert to fraction form
22,901,166.48/31,603,247.52 = 12,587,668.08/x - Step 3: Cross multiply
22,901,166.48x = 31,603,247.52 × 12,587,668.08 - Step 4: Simplify right side
22,901,166.48x = 397,811,190,031,843.19 - Step 5: Solve for x
x = 397,811,190,031,843.19/22,901,166.48 - Step 6: Final answer
x = 17,370,782.85
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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.