Finding the Fourth Proportional to 14,997,388.28, 20,696,292.77 and 8,121,713.00
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Solution
The fourth proportional to 14,997,388.28, 20,696,292.77 and 8,121,713.00 is: 11,207,908.12
Step by Step Solution
- Step 1: Write the proportion equation
14,997,388.28 : 20,696,292.77 = 8,121,713.00 : x - Step 2: Convert to fraction form
14,997,388.28/20,696,292.77 = 8,121,713.00/x - Step 3: Cross multiply
14,997,388.28x = 20,696,292.77 × 8,121,713.00 - Step 4: Simplify right side
14,997,388.28x = 168,089,349,897,825 - Step 5: Solve for x
x = 168,089,349,897,825/14,997,388.28 - Step 6: Final answer
x = 11,207,908.12
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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.