Finding the Fourth Proportional to 7,306,277.60, 10,980,411.60 and 6,382,488.80
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Solution
The fourth proportional to 7,306,277.60, 10,980,411.60 and 6,382,488.80 is: 9,592,073.82
Step by Step Solution
- Step 1: Write the proportion equation
7,306,277.60 : 10,980,411.60 = 6,382,488.80 : x - Step 2: Convert to fraction form
7,306,277.60/10,980,411.60 = 6,382,488.80/x - Step 3: Cross multiply
7,306,277.60x = 10,980,411.60 × 6,382,488.80 - Step 4: Simplify right side
7,306,277.60x = 70,082,354,056,390.08 - Step 5: Solve for x
x = 70,082,354,056,390.08/7,306,277.60 - Step 6: Final answer
x = 9,592,073.82
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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.