Finding the Fourth Proportional to 7,247,409.40, 10,000,830.50 and 4,266,639.69
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Solution
The fourth proportional to 7,247,409.40, 10,000,830.50 and 4,266,639.69 is: 5,887,612.79
Step by Step Solution
- Step 1: Write the proportion equation
7,247,409.40 : 10,000,830.50 = 4,266,639.69 : x - Step 2: Convert to fraction form
7,247,409.40/10,000,830.50 = 4,266,639.69/x - Step 3: Cross multiply
7,247,409.40x = 10,000,830.50 × 4,266,639.69 - Step 4: Simplify right side
7,247,409.40x = 42,669,940,301,426.13 - Step 5: Solve for x
x = 42,669,940,301,426.13/7,247,409.40 - Step 6: Final answer
x = 5,887,612.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.