Finding the Fourth Proportional to 7,398,468.30, 11,085,892.65 and 6,193,868.70
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Solution
The fourth proportional to 7,398,468.30, 11,085,892.65 and 6,193,868.70 is: 9,280,916.09
Step by Step Solution
- Step 1: Write the proportion equation
7,398,468.30 : 11,085,892.65 = 6,193,868.70 : x - Step 2: Convert to fraction form
7,398,468.30/11,085,892.65 = 6,193,868.70/x - Step 3: Cross multiply
7,398,468.30x = 11,085,892.65 × 6,193,868.70 - Step 4: Simplify right side
7,398,468.30x = 68,664,563,496,395.06 - Step 5: Solve for x
x = 68,664,563,496,395.06/7,398,468.30 - Step 6: Final answer
x = 9,280,916.09
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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.