Finding the Fourth Proportional to 13,509,988.48, 20,264,803.36 and 3,274,938.14
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Solution
The fourth proportional to 13,509,988.48, 20,264,803.36 and 3,274,938.14 is: 4,912,363.72
Step by Step Solution
- Step 1: Write the proportion equation
13,509,988.48 : 20,264,803.36 = 3,274,938.14 : x - Step 2: Convert to fraction form
13,509,988.48/20,264,803.36 = 3,274,938.14/x - Step 3: Cross multiply
13,509,988.48x = 20,264,803.36 × 3,274,938.14 - Step 4: Simplify right side
13,509,988.48x = 66,365,977,313,752.79 - Step 5: Solve for x
x = 66,365,977,313,752.79/13,509,988.48 - Step 6: Final answer
x = 4,912,363.72
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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.