Finding the Fourth Proportional to 19,626,982.84, 27,086,129.22 and 10,925,707.24
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Solution
The fourth proportional to 19,626,982.84, 27,086,129.22 and 10,925,707.24 is: 15,077,973.04
Step by Step Solution
- Step 1: Write the proportion equation
19,626,982.84 : 27,086,129.22 = 10,925,707.24 : x - Step 2: Convert to fraction form
19,626,982.84/27,086,129.22 = 10,925,707.24/x - Step 3: Cross multiply
19,626,982.84x = 27,086,129.22 × 10,925,707.24 - Step 4: Simplify right side
19,626,982.84x = 295,935,118,122,529.56 - Step 5: Solve for x
x = 295,935,118,122,529.56/19,626,982.84 - Step 6: Final answer
x = 15,077,973.04
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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.