Finding the Fourth Proportional to 10,866,331.80, 16,299,497.70 and 3,292,313.40
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Solution
The fourth proportional to 10,866,331.80, 16,299,497.70 and 3,292,313.40 is: 4,938,470.10
Step by Step Solution
- Step 1: Write the proportion equation
10,866,331.80 : 16,299,497.70 = 3,292,313.40 : x - Step 2: Convert to fraction form
10,866,331.80/16,299,497.70 = 3,292,313.40/x - Step 3: Cross multiply
10,866,331.80x = 16,299,497.70 × 3,292,313.40 - Step 4: Simplify right side
10,866,331.80x = 53,663,054,690,979.18 - Step 5: Solve for x
x = 53,663,054,690,979.18/10,866,331.80 - Step 6: Final answer
x = 4,938,470.10
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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.