Finding the Fourth Proportional to 35,979,490.82, 49,651,762.66 and 19,681,966.82
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Solution
The fourth proportional to 35,979,490.82, 49,651,762.66 and 19,681,966.82 is: 27,161,149.95
Step by Step Solution
- Step 1: Write the proportion equation
35,979,490.82 : 49,651,762.66 = 19,681,966.82 : x - Step 2: Convert to fraction form
35,979,490.82/49,651,762.66 = 19,681,966.82/x - Step 3: Cross multiply
35,979,490.82x = 49,651,762.66 × 19,681,966.82 - Step 4: Simplify right side
35,979,490.82x = 977,244,345,228,634.88 - Step 5: Solve for x
x = 977,244,345,228,634.88/35,979,490.82 - Step 6: Final answer
x = 27,161,149.95
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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.