Finding the Fourth Proportional to 8,696,888.21, 13,043,176.65 and 2,939,493.96
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Solution
The fourth proportional to 8,696,888.21, 13,043,176.65 and 2,939,493.96 is: 4,408,512.34
Step by Step Solution
- Step 1: Write the proportion equation
8,696,888.21 : 13,043,176.65 = 2,939,493.96 : x - Step 2: Convert to fraction form
8,696,888.21/13,043,176.65 = 2,939,493.96/x - Step 3: Cross multiply
8,696,888.21x = 13,043,176.65 × 2,939,493.96 - Step 4: Simplify right side
8,696,888.21x = 38,340,338,981,888.03 - Step 5: Solve for x
x = 38,340,338,981,888.03/8,696,888.21 - Step 6: Final answer
x = 4,408,512.34
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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.