Finding the Fourth Proportional to 9,915,299.28, 14,868,161.84 and 4,156,486.10
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Solution
The fourth proportional to 9,915,299.28, 14,868,161.84 and 4,156,486.10 is: 6,232,722.40
Step by Step Solution
- Step 1: Write the proportion equation
9,915,299.28 : 14,868,161.84 = 4,156,486.10 : x - Step 2: Convert to fraction form
9,915,299.28/14,868,161.84 = 4,156,486.10/x - Step 3: Cross multiply
9,915,299.28x = 14,868,161.84 × 4,156,486.10 - Step 4: Simplify right side
9,915,299.28x = 61,799,307,925,387.19 - Step 5: Solve for x
x = 61,799,307,925,387.19/9,915,299.28 - Step 6: Final answer
x = 6,232,722.40
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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.