Finding the Fourth Proportional to 10,048,128.40, 15,073,114.20 and 3,316,557.20
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Solution
The fourth proportional to 10,048,128.40, 15,073,114.20 and 3,316,557.20 is: 4,975,139.99
Step by Step Solution
- Step 1: Write the proportion equation
10,048,128.40 : 15,073,114.20 = 3,316,557.20 : x - Step 2: Convert to fraction form
10,048,128.40/15,073,114.20 = 3,316,557.20/x - Step 3: Cross multiply
10,048,128.40x = 15,073,114.20 × 3,316,557.20 - Step 4: Simplify right side
10,048,128.40x = 49,990,845,426,432.24 - Step 5: Solve for x
x = 49,990,845,426,432.24/10,048,128.40 - Step 6: Final answer
x = 4,975,139.99
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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.