Finding the Fourth Proportional to 7,416,913.02, 11,130,049.71 and 3,157,074.42
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Solution
The fourth proportional to 7,416,913.02, 11,130,049.71 and 3,157,074.42 is: 4,737,603.79
Step by Step Solution
- Step 1: Write the proportion equation
7,416,913.02 : 11,130,049.71 = 3,157,074.42 : x - Step 2: Convert to fraction form
7,416,913.02/11,130,049.71 = 3,157,074.42/x - Step 3: Cross multiply
7,416,913.02x = 11,130,049.71 × 3,157,074.42 - Step 4: Simplify right side
7,416,913.02x = 35,138,395,232,769.42 - Step 5: Solve for x
x = 35,138,395,232,769.42/7,416,913.02 - Step 6: Final answer
x = 4,737,603.79
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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.