Finding the Fourth Proportional to 29,182,996.48, 40,272,695.58 and 15,952,193.44
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Solution
The fourth proportional to 29,182,996.48, 40,272,695.58 and 15,952,193.44 is: 22,014,114.65
Step by Step Solution
- Step 1: Write the proportion equation
29,182,996.48 : 40,272,695.58 = 15,952,193.44 : x - Step 2: Convert to fraction form
29,182,996.48/40,272,695.58 = 15,952,193.44/x - Step 3: Cross multiply
29,182,996.48x = 40,272,695.58 × 15,952,193.44 - Step 4: Simplify right side
29,182,996.48x = 642,437,830,242,393 - Step 5: Solve for x
x = 642,437,830,242,393/29,182,996.48 - Step 6: Final answer
x = 22,014,114.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.