Finding the Fourth Proportional to 7,413,167.20, 11,110,419.60 and 6,573,359.20
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Solution
The fourth proportional to 7,413,167.20, 11,110,419.60 and 6,573,359.20 is: 9,851,764.69
Step by Step Solution
- Step 1: Write the proportion equation
7,413,167.20 : 11,110,419.60 = 6,573,359.20 : x - Step 2: Convert to fraction form
7,413,167.20/11,110,419.60 = 6,573,359.20/x - Step 3: Cross multiply
7,413,167.20x = 11,110,419.60 × 6,573,359.20 - Step 4: Simplify right side
7,413,167.20x = 73,032,778,893,520.31 - Step 5: Solve for x
x = 73,032,778,893,520.31/7,413,167.20 - Step 6: Final answer
x = 9,851,764.69
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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.