Finding the Fourth Proportional to 7,306,285.60, 10,980,423.60 and 6,382,496.80
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Solution
The fourth proportional to 7,306,285.60, 10,980,423.60 and 6,382,496.80 is: 9,592,085.82
Step by Step Solution
- Step 1: Write the proportion equation
7,306,285.60 : 10,980,423.60 = 6,382,496.80 : x - Step 2: Convert to fraction form
7,306,285.60/10,980,423.60 = 6,382,496.80/x - Step 3: Cross multiply
7,306,285.60x = 10,980,423.60 × 6,382,496.80 - Step 4: Simplify right side
7,306,285.60x = 70,082,518,489,644.48 - Step 5: Solve for x
x = 70,082,518,489,644.48/7,306,285.60 - Step 6: Final answer
x = 9,592,085.82
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1.5x scale
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.