Finding the Fourth Proportional to 14,221,323.36, 19,618,196.09 and 8,638,084.13
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Solution
The fourth proportional to 14,221,323.36, 19,618,196.09 and 8,638,084.13 is: 11,916,164.48
Step by Step Solution
- Step 1: Write the proportion equation
14,221,323.36 : 19,618,196.09 = 8,638,084.13 : x - Step 2: Convert to fraction form
14,221,323.36/19,618,196.09 = 8,638,084.13/x - Step 3: Cross multiply
14,221,323.36x = 19,618,196.09 × 8,638,084.13 - Step 4: Simplify right side
14,221,323.36x = 169,463,628,276,806.78 - Step 5: Solve for x
x = 169,463,628,276,806.78/14,221,323.36 - Step 6: Final answer
x = 11,916,164.48
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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.