Finding the Fourth Proportional to 14,432,712.16, 19,909,591.92 and 8,924,326.24
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Solution
The fourth proportional to 14,432,712.16, 19,909,591.92 and 8,924,326.24 is: 12,310,901.21
Step by Step Solution
- Step 1: Write the proportion equation
14,432,712.16 : 19,909,591.92 = 8,924,326.24 : x - Step 2: Convert to fraction form
14,432,712.16/19,909,591.92 = 8,924,326.24/x - Step 3: Cross multiply
14,432,712.16x = 19,909,591.92 × 8,924,326.24 - Step 4: Simplify right side
14,432,712.16x = 177,679,693,599,348 - Step 5: Solve for x
x = 177,679,693,599,348/14,432,712.16 - Step 6: Final answer
x = 12,310,901.21
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1.5x scale
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.