Finding the Fourth Proportional to 50,718,215.91, 69,991,272.84 and 27,513,342.87
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Solution
The fourth proportional to 50,718,215.91, 69,991,272.84 and 27,513,342.87 is: 37,968,486.33
Step by Step Solution
- Step 1: Write the proportion equation
50,718,215.91 : 69,991,272.84 = 27,513,342.87 : x - Step 2: Convert to fraction form
50,718,215.91/69,991,272.84 = 27,513,342.87/x - Step 3: Cross multiply
50,718,215.91x = 69,991,272.84 × 27,513,342.87 - Step 4: Simplify right side
50,718,215.91x = 1,925,693,887,831,197.75 - Step 5: Solve for x
x = 1,925,693,887,831,197.75/50,718,215.91 - Step 6: Final answer
x = 37,968,486.33
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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.