Finding the Fourth Proportional to 29,710,319.64, 40,998,188.28 and 16,478,247.96
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Solution
The fourth proportional to 29,710,319.64, 40,998,188.28 and 16,478,247.96 is: 22,738,843.63
Step by Step Solution
- Step 1: Write the proportion equation
29,710,319.64 : 40,998,188.28 = 16,478,247.96 : x - Step 2: Convert to fraction form
29,710,319.64/40,998,188.28 = 16,478,247.96/x - Step 3: Cross multiply
29,710,319.64x = 40,998,188.28 × 16,478,247.96 - Step 4: Simplify right side
29,710,319.64x = 675,578,312,388,606 - Step 5: Solve for x
x = 675,578,312,388,606/29,710,319.64 - Step 6: Final answer
x = 22,738,843.63
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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.