Finding the Fourth Proportional to 7,153,926.16, 10,730,954.13 and 2,036,354.05
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Solution
The fourth proportional to 7,153,926.16, 10,730,954.13 and 2,036,354.05 is: 3,054,549.55
Step by Step Solution
- Step 1: Write the proportion equation
7,153,926.16 : 10,730,954.13 = 2,036,354.05 : x - Step 2: Convert to fraction form
7,153,926.16/10,730,954.13 = 2,036,354.05/x - Step 3: Cross multiply
7,153,926.16x = 10,730,954.13 × 2,036,354.05 - Step 4: Simplify right side
7,153,926.16x = 21,852,021,902,989.73 - Step 5: Solve for x
x = 21,852,021,902,989.73/7,153,926.16 - Step 6: Final answer
x = 3,054,549.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.