Finding the Fourth Proportional to 7,431,398.66, 11,144,423.70 and 2,572,384.94
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Solution
The fourth proportional to 7,431,398.66, 11,144,423.70 and 2,572,384.94 is: 3,857,651.70
Step by Step Solution
- Step 1: Write the proportion equation
7,431,398.66 : 11,144,423.70 = 2,572,384.94 : x - Step 2: Convert to fraction form
7,431,398.66/11,144,423.70 = 2,572,384.94/x - Step 3: Cross multiply
7,431,398.66x = 11,144,423.70 × 2,572,384.94 - Step 4: Simplify right side
7,431,398.66x = 28,667,747,684,164.67 - Step 5: Solve for x
x = 28,667,747,684,164.67/7,431,398.66 - Step 6: Final answer
x = 3,857,651.70
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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.