Finding the Fourth Proportional to 16,000,316.88, 22,080,495.81 and 8,658,150.08
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Solution
The fourth proportional to 16,000,316.88, 22,080,495.81 and 8,658,150.08 is: 11,948,278.77
Step by Step Solution
- Step 1: Write the proportion equation
16,000,316.88 : 22,080,495.81 = 8,658,150.08 : x - Step 2: Convert to fraction form
16,000,316.88/22,080,495.81 = 8,658,150.08/x - Step 3: Cross multiply
16,000,316.88x = 22,080,495.81 × 8,658,150.08 - Step 4: Simplify right side
16,000,316.88x = 191,176,246,485,856.72 - Step 5: Solve for x
x = 191,176,246,485,856.72/16,000,316.88 - Step 6: Final answer
x = 11,948,278.77
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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.