Finding the Fourth Proportional to 18,303,894.05, 25,259,304.47 and 10,044,094.53
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Solution
The fourth proportional to 18,303,894.05, 25,259,304.47 and 10,044,094.53 is: 13,860,812.41
Step by Step Solution
- Step 1: Write the proportion equation
18,303,894.05 : 25,259,304.47 = 10,044,094.53 : x - Step 2: Convert to fraction form
18,303,894.05/25,259,304.47 = 10,044,094.53/x - Step 3: Cross multiply
18,303,894.05x = 25,259,304.47 × 10,044,094.53 - Step 4: Simplify right side
18,303,894.05x = 253,706,841,858,731.53 - Step 5: Solve for x
x = 253,706,841,858,731.53/18,303,894.05 - Step 6: Final answer
x = 13,860,812.41
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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.