Finding the Fourth Proportional to 27,711,610.94, 38,243,355.99 and 15,321,475.10
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Solution
The fourth proportional to 27,711,610.94, 38,243,355.99 and 15,321,475.10 is: 21,144,372.58
Step by Step Solution
- Step 1: Write the proportion equation
27,711,610.94 : 38,243,355.99 = 15,321,475.10 : x - Step 2: Convert to fraction form
27,711,610.94/38,243,355.99 = 15,321,475.10/x - Step 3: Cross multiply
27,711,610.94x = 38,243,355.99 × 15,321,475.10 - Step 4: Simplify right side
27,711,610.94x = 585,944,626,541,220.88 - Step 5: Solve for x
x = 585,944,626,541,220.88/27,711,610.94 - Step 6: Final answer
x = 21,144,372.58
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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.