Finding the Fourth Proportional to 18,494,355.21, 27,752,492.25 and 10,303,852.95
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Solution
The fourth proportional to 18,494,355.21, 27,752,492.25 and 10,303,852.95 is: 15,461,885.31
Step by Step Solution
- Step 1: Write the proportion equation
18,494,355.21 : 27,752,492.25 = 10,303,852.95 : x - Step 2: Convert to fraction form
18,494,355.21/27,752,492.25 = 10,303,852.95/x - Step 3: Cross multiply
18,494,355.21x = 27,752,492.25 × 10,303,852.95 - Step 4: Simplify right side
18,494,355.21x = 285,957,599,140,014.62 - Step 5: Solve for x
x = 285,957,599,140,014.62/18,494,355.21 - Step 6: Final answer
x = 15,461,885.31
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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.