Finding the Fourth Proportional to 16,000,319.88, 22,080,499.95 and 8,658,153.09
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Solution
The fourth proportional to 16,000,319.88, 22,080,499.95 and 8,658,153.09 is: 11,948,282.93
Step by Step Solution
- Step 1: Write the proportion equation
16,000,319.88 : 22,080,499.95 = 8,658,153.09 : x - Step 2: Convert to fraction form
16,000,319.88/22,080,499.95 = 8,658,153.09/x - Step 3: Cross multiply
16,000,319.88x = 22,080,499.95 × 8,658,153.09 - Step 4: Simplify right side
16,000,319.88x = 191,176,348,870,837.34 - Step 5: Solve for x
x = 191,176,348,870,837.34/16,000,319.88 - Step 6: Final answer
x = 11,948,282.93
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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.