Finding the Fourth Proportional to 19,563,116.99, 26,996,047.58 and 10,860,729.09
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Solution
The fourth proportional to 19,563,116.99, 26,996,047.58 and 10,860,729.09 is: 14,987,221.08
Step by Step Solution
- Step 1: Write the proportion equation
19,563,116.99 : 26,996,047.58 = 10,860,729.09 : x - Step 2: Convert to fraction form
19,563,116.99/26,996,047.58 = 10,860,729.09/x - Step 3: Cross multiply
19,563,116.99x = 26,996,047.58 × 10,860,729.09 - Step 4: Simplify right side
19,563,116.99x = 293,196,759,212,826.44 - Step 5: Solve for x
x = 293,196,759,212,826.44/19,563,116.99 - Step 6: Final answer
x = 14,987,221.08
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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.