Finding the Fourth Proportional to 7,244,230.60, 10,866,345.90 and 5,437,331.20
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Solution
The fourth proportional to 7,244,230.60, 10,866,345.90 and 5,437,331.20 is: 8,155,996.80
Step by Step Solution
- Step 1: Write the proportion equation
7,244,230.60 : 10,866,345.90 = 5,437,331.20 : x - Step 2: Convert to fraction form
7,244,230.60/10,866,345.90 = 5,437,331.20/x - Step 3: Cross multiply
7,244,230.60x = 10,866,345.90 × 5,437,331.20 - Step 4: Simplify right side
7,244,230.60x = 59,083,921,592,062.09 - Step 5: Solve for x
x = 59,083,921,592,062.09/7,244,230.60 - Step 6: Final answer
x = 8,155,996.80
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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.