Finding the Fourth Proportional to 15,503,952.24, 21,394,719.24 and 8,534,486.28
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Solution
The fourth proportional to 15,503,952.24, 21,394,719.24 and 8,534,486.28 is: 11,777,186.55
Step by Step Solution
- Step 1: Write the proportion equation
15,503,952.24 : 21,394,719.24 = 8,534,486.28 : x - Step 2: Convert to fraction form
15,503,952.24/21,394,719.24 = 8,534,486.28/x - Step 3: Cross multiply
15,503,952.24x = 21,394,719.24 × 8,534,486.28 - Step 4: Simplify right side
15,503,952.24x = 182,592,937,818,232 - Step 5: Solve for x
x = 182,592,937,818,232/15,503,952.24 - Step 6: Final answer
x = 11,777,186.55
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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.