Finding the Fourth Proportional to 16,000,901.40, 22,081,302.09 and 8,658,733.80
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Solution
The fourth proportional to 16,000,901.40, 22,081,302.09 and 8,658,733.80 is: 11,949,084.12
Step by Step Solution
- Step 1: Write the proportion equation
16,000,901.40 : 22,081,302.09 = 8,658,733.80 : x - Step 2: Convert to fraction form
16,000,901.40/22,081,302.09 = 8,658,733.80/x - Step 3: Cross multiply
16,000,901.40x = 22,081,302.09 × 8,658,733.80 - Step 4: Simplify right side
16,000,901.40x = 191,196,116,754,693.66 - Step 5: Solve for x
x = 191,196,116,754,693.66/16,000,901.40 - Step 6: Final answer
x = 11,949,084.12
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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.