Finding the Fourth Proportional to 11,815,349.18, 17,721,448.99 and 3,294,972.14
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Solution
The fourth proportional to 11,815,349.18, 17,721,448.99 and 3,294,972.14 is: 4,942,019.04
Step by Step Solution
- Step 1: Write the proportion equation
11,815,349.18 : 17,721,448.99 = 3,294,972.14 : x - Step 2: Convert to fraction form
11,815,349.18/17,721,448.99 = 3,294,972.14/x - Step 3: Cross multiply
11,815,349.18x = 17,721,448.99 × 3,294,972.14 - Step 4: Simplify right side
11,815,349.18x = 58,391,680,605,636.46 - Step 5: Solve for x
x = 58,391,680,605,636.46/11,815,349.18 - Step 6: Final answer
x = 4,942,019.04
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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.