Finding the Fourth Proportional to 38,459,600.17, 53,074,403.74 and 21,057,564.63
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Solution
The fourth proportional to 38,459,600.17, 53,074,403.74 and 21,057,564.63 is: 29,059,524.32
Step by Step Solution
- Step 1: Write the proportion equation
38,459,600.17 : 53,074,403.74 = 21,057,564.63 : x - Step 2: Convert to fraction form
38,459,600.17/53,074,403.74 = 21,057,564.63/x - Step 3: Cross multiply
38,459,600.17x = 53,074,403.74 × 21,057,564.63 - Step 4: Simplify right side
38,459,600.17x = 1,117,617,686,715,790 - Step 5: Solve for x
x = 1,117,617,686,715,790/38,459,600.17 - Step 6: Final answer
x = 29,059,524.32
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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.