Finding the Fourth Proportional to 10,154,515.80, 15,232,265.76 and 3,330,485.28
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Solution
The fourth proportional to 10,154,515.80, 15,232,265.76 and 3,330,485.28 is: 4,995,889.31
Step by Step Solution
- Step 1: Write the proportion equation
10,154,515.80 : 15,232,265.76 = 3,330,485.28 : x - Step 2: Convert to fraction form
10,154,515.80/15,232,265.76 = 3,330,485.28/x - Step 3: Cross multiply
10,154,515.80x = 15,232,265.76 × 3,330,485.28 - Step 4: Simplify right side
10,154,515.80x = 50,730,836,894,728.01 - Step 5: Solve for x
x = 50,730,836,894,728.01/10,154,515.80 - Step 6: Final answer
x = 4,995,889.31
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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.