Finding the Fourth Proportional to 22,104,912.20, 33,157,368.30 and 13,124,841.80
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Solution
The fourth proportional to 22,104,912.20, 33,157,368.30 and 13,124,841.80 is: 19,687,262.70
Step by Step Solution
- Step 1: Write the proportion equation
22,104,912.20 : 33,157,368.30 = 13,124,841.80 : x - Step 2: Convert to fraction form
22,104,912.20/33,157,368.30 = 13,124,841.80/x - Step 3: Cross multiply
22,104,912.20x = 33,157,368.30 × 13,124,841.80 - Step 4: Simplify right side
22,104,912.20x = 435,185,213,441,835 - Step 5: Solve for x
x = 435,185,213,441,835/22,104,912.20 - Step 6: Final answer
x = 19,687,262.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.