Finding the Fourth Proportional to 27,157,739.24, 37,476,539.33 and 15,397,798.74
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Solution
The fourth proportional to 27,157,739.24, 37,476,539.33 and 15,397,798.74 is: 21,248,315.45
Step by Step Solution
- Step 1: Write the proportion equation
27,157,739.24 : 37,476,539.33 = 15,397,798.74 : x - Step 2: Convert to fraction form
27,157,739.24/37,476,539.33 = 15,397,798.74/x - Step 3: Cross multiply
27,157,739.24x = 37,476,539.33 × 15,397,798.74 - Step 4: Simplify right side
27,157,739.24x = 577,056,210,198,240.62 - Step 5: Solve for x
x = 577,056,210,198,240.62/27,157,739.24 - Step 6: Final answer
x = 21,248,315.45
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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.