Finding the Fourth Proportional to 11,009,610.40, 16,514,415.60 and 7,183,235.20
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Solution
The fourth proportional to 11,009,610.40, 16,514,415.60 and 7,183,235.20 is: 10,774,852.80
Step by Step Solution
- Step 1: Write the proportion equation
11,009,610.40 : 16,514,415.60 = 7,183,235.20 : x - Step 2: Convert to fraction form
11,009,610.40/16,514,415.60 = 7,183,235.20/x - Step 3: Cross multiply
11,009,610.40x = 16,514,415.60 × 7,183,235.20 - Step 4: Simplify right side
11,009,610.40x = 118,626,931,445,349.12 - Step 5: Solve for x
x = 118,626,931,445,349.12/11,009,610.40 - Step 6: Final answer
x = 10,774,852.80
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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.