Finding the Fourth Proportional to 19,852,519.48, 27,397,300.53 and 11,031,937.81
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Solution
The fourth proportional to 19,852,519.48, 27,397,300.53 and 11,031,937.81 is: 15,224,531.87
Step by Step Solution
- Step 1: Write the proportion equation
19,852,519.48 : 27,397,300.53 = 11,031,937.81 : x - Step 2: Convert to fraction form
19,852,519.48/27,397,300.53 = 11,031,937.81/x - Step 3: Cross multiply
19,852,519.48x = 27,397,300.53 × 11,031,937.81 - Step 4: Simplify right side
19,852,519.48x = 302,245,315,608,840.06 - Step 5: Solve for x
x = 302,245,315,608,840.06/19,852,519.48 - Step 6: Final answer
x = 15,224,531.87
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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.