Finding the Fourth Proportional to 10,902,028.79, 15,043,925.80 and 6,318,645.41
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Solution
The fourth proportional to 10,902,028.79, 15,043,925.80 and 6,318,645.41 is: 8,719,224.15
Step by Step Solution
- Step 1: Write the proportion equation
10,902,028.79 : 15,043,925.80 = 6,318,645.41 : x - Step 2: Convert to fraction form
10,902,028.79/15,043,925.80 = 6,318,645.41/x - Step 3: Cross multiply
10,902,028.79x = 15,043,925.80 × 6,318,645.41 - Step 4: Simplify right side
10,902,028.79x = 95,057,232,704,550.58 - Step 5: Solve for x
x = 95,057,232,704,550.58/10,902,028.79 - Step 6: Final answer
x = 8,719,224.15
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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.