Finding the Fourth Proportional to 7,877,749.02, 11,816,622.18 and 2,490,181.44
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Solution
The fourth proportional to 7,877,749.02, 11,816,622.18 and 2,490,181.44 is: 3,735,271.73
Step by Step Solution
- Step 1: Write the proportion equation
7,877,749.02 : 11,816,622.18 = 2,490,181.44 : x - Step 2: Convert to fraction form
7,877,749.02/11,816,622.18 = 2,490,181.44/x - Step 3: Cross multiply
7,877,749.02x = 11,816,622.18 × 2,490,181.44 - Step 4: Simplify right side
7,877,749.02x = 29,425,533,236,128.34 - Step 5: Solve for x
x = 29,425,533,236,128.34/7,877,749.02 - Step 6: Final answer
x = 3,735,271.73
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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.