Finding the Fourth Proportional to 7,645,615.99, 10,551,024.57 and 4,207,936.30
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Solution
The fourth proportional to 7,645,615.99, 10,551,024.57 and 4,207,936.30 is: 5,806,993.10
Step by Step Solution
- Step 1: Write the proportion equation
7,645,615.99 : 10,551,024.57 = 4,207,936.30 : x - Step 2: Convert to fraction form
7,645,615.99/10,551,024.57 = 4,207,936.30/x - Step 3: Cross multiply
7,645,615.99x = 10,551,024.57 × 4,207,936.30 - Step 4: Simplify right side
7,645,615.99x = 44,398,039,290,294.89 - Step 5: Solve for x
x = 44,398,039,290,294.89/7,645,615.99 - Step 6: Final answer
x = 5,806,993.10
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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.