Finding the Fourth Proportional to 22,246,503.96, 33,330,509.82 and 19,483,218.12
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Solution
The fourth proportional to 22,246,503.96, 33,330,509.82 and 19,483,218.12 is: 29,190,455.90
Step by Step Solution
- Step 1: Write the proportion equation
22,246,503.96 : 33,330,509.82 = 19,483,218.12 : x - Step 2: Convert to fraction form
22,246,503.96/33,330,509.82 = 19,483,218.12/x - Step 3: Cross multiply
22,246,503.96x = 33,330,509.82 × 19,483,218.12 - Step 4: Simplify right side
22,246,503.96x = 649,385,592,873,862 - Step 5: Solve for x
x = 649,385,592,873,862/22,246,503.96 - Step 6: Final answer
x = 29,190,455.90
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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.