Finding the Fourth Proportional to 39,177,232.13, 54,066,816.87 and 21,774,679.91
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Solution
The fourth proportional to 39,177,232.13, 54,066,816.87 and 21,774,679.91 is: 30,050,301.33
Step by Step Solution
- Step 1: Write the proportion equation
39,177,232.13 : 54,066,816.87 = 21,774,679.91 : x - Step 2: Convert to fraction form
39,177,232.13/54,066,816.87 = 21,774,679.91/x - Step 3: Cross multiply
39,177,232.13x = 54,066,816.87 × 21,774,679.91 - Step 4: Simplify right side
39,177,232.13x = 1,177,287,630,947,643 - Step 5: Solve for x
x = 1,177,287,630,947,643/39,177,232.13 - Step 6: Final answer
x = 30,050,301.33
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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.