Finding the Fourth Proportional to 18,367,497.60, 27,551,246.40 and 16,128,009.60
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Solution
The fourth proportional to 18,367,497.60, 27,551,246.40 and 16,128,009.60 is: 24,192,014.40
Step by Step Solution
- Step 1: Write the proportion equation
18,367,497.60 : 27,551,246.40 = 16,128,009.60 : x - Step 2: Convert to fraction form
18,367,497.60/27,551,246.40 = 16,128,009.60/x - Step 3: Cross multiply
18,367,497.60x = 27,551,246.40 × 16,128,009.60 - Step 4: Simplify right side
18,367,497.60x = 444,346,766,431,165.38 - Step 5: Solve for x
x = 444,346,766,431,165.38/18,367,497.60 - Step 6: Final answer
x = 24,192,014.40
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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.