Finding the Fourth Proportional to 8,374,969.05, 12,563,929.80 and 2,986,747.80
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Solution
The fourth proportional to 8,374,969.05, 12,563,929.80 and 2,986,747.80 is: 4,480,648.16
Step by Step Solution
- Step 1: Write the proportion equation
8,374,969.05 : 12,563,929.80 = 2,986,747.80 : x - Step 2: Convert to fraction form
8,374,969.05/12,563,929.80 = 2,986,747.80/x - Step 3: Cross multiply
8,374,969.05x = 12,563,929.80 × 2,986,747.80 - Step 4: Simplify right side
8,374,969.05x = 37,525,289,689,504.44 - Step 5: Solve for x
x = 37,525,289,689,504.44/8,374,969.05 - Step 6: Final answer
x = 4,480,648.16
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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.