Finding the Fourth Proportional to 19,631,074.60, 27,090,626.34 and 11,372,262.76
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Solution
The fourth proportional to 19,631,074.60, 27,090,626.34 and 11,372,262.76 is: 15,693,573.96
Step by Step Solution
- Step 1: Write the proportion equation
19,631,074.60 : 27,090,626.34 = 11,372,262.76 : x - Step 2: Convert to fraction form
19,631,074.60/27,090,626.34 = 11,372,262.76/x - Step 3: Cross multiply
19,631,074.60x = 27,090,626.34 × 11,372,262.76 - Step 4: Simplify right side
19,631,074.60x = 308,081,721,071,457.06 - Step 5: Solve for x
x = 308,081,721,071,457.06/19,631,074.60 - Step 6: Final answer
x = 15,693,573.96
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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.