Finding the Fourth Proportional to 27,489,304.40, 37,934,201.40 and 15,266,948.72
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Solution
The fourth proportional to 27,489,304.40, 37,934,201.40 and 15,266,948.72 is: 21,067,812.38
Step by Step Solution
- Step 1: Write the proportion equation
27,489,304.40 : 37,934,201.40 = 15,266,948.72 : x - Step 2: Convert to fraction form
27,489,304.40/37,934,201.40 = 15,266,948.72/x - Step 3: Cross multiply
27,489,304.40x = 37,934,201.40 × 15,266,948.72 - Step 4: Simplify right side
27,489,304.40x = 579,139,507,507,952.25 - Step 5: Solve for x
x = 579,139,507,507,952.25/27,489,304.40 - Step 6: Final answer
x = 21,067,812.38
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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.