Finding the Fourth Proportional to 14,408,554.48, 19,884,884.88 and 8,213,749.12
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Solution
The fourth proportional to 14,408,554.48, 19,884,884.88 and 8,213,749.12 is: 11,335,589.28
Step by Step Solution
- Step 1: Write the proportion equation
14,408,554.48 : 19,884,884.88 = 8,213,749.12 : x - Step 2: Convert to fraction form
14,408,554.48/19,884,884.88 = 8,213,749.12/x - Step 3: Cross multiply
14,408,554.48x = 19,884,884.88 × 8,213,749.12 - Step 4: Simplify right side
14,408,554.48x = 163,329,455,684,401.31 - Step 5: Solve for x
x = 163,329,455,684,401.31/14,408,554.48 - Step 6: Final answer
x = 11,335,589.28
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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.