Finding the Fourth Proportional to 7,411,838.68, 11,119,674.84 and 4,340,423.17
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Solution
The fourth proportional to 7,411,838.68, 11,119,674.84 and 4,340,423.17 is: 6,511,757.26
Step by Step Solution
- Step 1: Write the proportion equation
7,411,838.68 : 11,119,674.84 = 4,340,423.17 : x - Step 2: Convert to fraction form
7,411,838.68/11,119,674.84 = 4,340,423.17/x - Step 3: Cross multiply
7,411,838.68x = 11,119,674.84 × 4,340,423.17 - Step 4: Simplify right side
7,411,838.68x = 48,264,094,316,025.05 - Step 5: Solve for x
x = 48,264,094,316,025.05/7,411,838.68 - Step 6: Final answer
x = 6,511,757.26
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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.