Finding the Fourth Proportional to 19,823,486.40, 27,305,440.08 and 14,012,277.60
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Solution
The fourth proportional to 19,823,486.40, 27,305,440.08 and 14,012,277.60 is: 19,300,914.01
Step by Step Solution
- Step 1: Write the proportion equation
19,823,486.40 : 27,305,440.08 = 14,012,277.60 : x - Step 2: Convert to fraction form
19,823,486.40/27,305,440.08 = 14,012,277.60/x - Step 3: Cross multiply
19,823,486.40x = 27,305,440.08 × 14,012,277.60 - Step 4: Simplify right side
19,823,486.40x = 382,611,406,391,126.19 - Step 5: Solve for x
x = 382,611,406,391,126.19/19,823,486.40 - Step 6: Final answer
x = 19,300,914.01
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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.