Finding the Fourth Proportional to 16,486,582.60, 24,729,873.90 and 7,983,526.60
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Solution
The fourth proportional to 16,486,582.60, 24,729,873.90 and 7,983,526.60 is: 11,975,289.90
Step by Step Solution
- Step 1: Write the proportion equation
16,486,582.60 : 24,729,873.90 = 7,983,526.60 : x - Step 2: Convert to fraction form
16,486,582.60/24,729,873.90 = 7,983,526.60/x - Step 3: Cross multiply
16,486,582.60x = 24,729,873.90 × 7,983,526.60 - Step 4: Simplify right side
16,486,582.60x = 197,431,606,095,295.72 - Step 5: Solve for x
x = 197,431,606,095,295.72/16,486,582.60 - Step 6: Final answer
x = 11,975,289.90
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Double scale
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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.