Finding the Fourth Proportional to 11,026,549.56, 15,214,408.50 and 6,441,985.20
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Solution
The fourth proportional to 11,026,549.56, 15,214,408.50 and 6,441,985.20 is: 8,888,636.82
Step by Step Solution
- Step 1: Write the proportion equation
11,026,549.56 : 15,214,408.50 = 6,441,985.20 : x - Step 2: Convert to fraction form
11,026,549.56/15,214,408.50 = 6,441,985.20/x - Step 3: Cross multiply
11,026,549.56x = 15,214,408.50 × 6,441,985.20 - Step 4: Simplify right side
11,026,549.56x = 98,010,994,383,754.20 - Step 5: Solve for x
x = 98,010,994,383,754.20/11,026,549.56 - Step 6: Final answer
x = 8,888,636.82
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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.