Finding the Fourth Proportional to 16,587,071.12, 22,890,264.84 and 9,245,370.64
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Solution
The fourth proportional to 16,587,071.12, 22,890,264.84 and 9,245,370.64 is: 12,758,670.95
Step by Step Solution
- Step 1: Write the proportion equation
16,587,071.12 : 22,890,264.84 = 9,245,370.64 : x - Step 2: Convert to fraction form
16,587,071.12/22,890,264.84 = 9,245,370.64/x - Step 3: Cross multiply
16,587,071.12x = 22,890,264.84 × 9,245,370.64 - Step 4: Simplify right side
16,587,071.12x = 211,628,982,493,560.31 - Step 5: Solve for x
x = 211,628,982,493,560.31/16,587,071.12 - Step 6: Final answer
x = 12,758,670.95
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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.