Finding the Fourth Proportional to 7,569,581.29, 11,354,532.82 and 2,712,204.18
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Solution
The fourth proportional to 7,569,581.29, 11,354,532.82 and 2,712,204.18 is: 4,068,363.92
Step by Step Solution
- Step 1: Write the proportion equation
7,569,581.29 : 11,354,532.82 = 2,712,204.18 : x - Step 2: Convert to fraction form
7,569,581.29/11,354,532.82 = 2,712,204.18/x - Step 3: Cross multiply
7,569,581.29x = 11,354,532.82 × 2,712,204.18 - Step 4: Simplify right side
7,569,581.29x = 30,795,811,369,570.68 - Step 5: Solve for x
x = 30,795,811,369,570.68/7,569,581.29 - Step 6: Final answer
x = 4,068,363.92
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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.