Finding the Fourth Proportional to 7,821,398.84, 11,732,983.99 and 7,017,741.95
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Solution
The fourth proportional to 7,821,398.84, 11,732,983.99 and 7,017,741.95 is: 10,527,407.64
Step by Step Solution
- Step 1: Write the proportion equation
7,821,398.84 : 11,732,983.99 = 7,017,741.95 : x - Step 2: Convert to fraction form
7,821,398.84/11,732,983.99 = 7,017,741.95/x - Step 3: Cross multiply
7,821,398.84x = 11,732,983.99 × 7,017,741.95 - Step 4: Simplify right side
7,821,398.84x = 82,339,053,869,092.11 - Step 5: Solve for x
x = 82,339,053,869,092.11/7,821,398.84 - Step 6: Final answer
x = 10,527,407.64
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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.