Finding the Fourth Proportional to 27,490,262.09, 37,934,349.32 and 15,888,577.01
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Solution
The fourth proportional to 27,490,262.09, 37,934,349.32 and 15,888,577.01 is: 21,924,957.59
Step by Step Solution
- Step 1: Write the proportion equation
27,490,262.09 : 37,934,349.32 = 15,888,577.01 : x - Step 2: Convert to fraction form
27,490,262.09/37,934,349.32 = 15,888,577.01/x - Step 3: Cross multiply
27,490,262.09x = 37,934,349.32 × 15,888,577.01 - Step 4: Simplify right side
27,490,262.09x = 602,722,830,415,618.25 - Step 5: Solve for x
x = 602,722,830,415,618.25/27,490,262.09 - Step 6: Final answer
x = 21,924,957.59
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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.