Finding the Fourth Proportional to 20,477,984.28, 30,705,092.64 and 9,695,194.08
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Solution
The fourth proportional to 20,477,984.28, 30,705,092.64 and 9,695,194.08 is: 14,537,164.81
Step by Step Solution
- Step 1: Write the proportion equation
20,477,984.28 : 30,705,092.64 = 9,695,194.08 : x - Step 2: Convert to fraction form
20,477,984.28/30,705,092.64 = 9,695,194.08/x - Step 3: Cross multiply
20,477,984.28x = 30,705,092.64 × 9,695,194.08 - Step 4: Simplify right side
20,477,984.28x = 297,691,832,389,179.56 - Step 5: Solve for x
x = 297,691,832,389,179.56/20,477,984.28 - Step 6: Final answer
x = 14,537,164.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.