Finding the Fourth Proportional to 7,652,266.20, 11,478,067.20 and 2,859,996.96
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Solution
The fourth proportional to 7,652,266.20, 11,478,067.20 and 2,859,996.96 is: 4,289,871.32
Step by Step Solution
- Step 1: Write the proportion equation
7,652,266.20 : 11,478,067.20 = 2,859,996.96 : x - Step 2: Convert to fraction form
7,652,266.20/11,478,067.20 = 2,859,996.96/x - Step 3: Cross multiply
7,652,266.20x = 11,478,067.20 × 2,859,996.96 - Step 4: Simplify right side
7,652,266.20x = 32,827,237,298,675.71 - Step 5: Solve for x
x = 32,827,237,298,675.71/7,652,266.20 - Step 6: Final answer
x = 4,289,871.32
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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.