Finding the Fourth Proportional to 28,913,027.47, 39,899,605.68 and 16,522,979.02
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Solution
The fourth proportional to 28,913,027.47, 39,899,605.68 and 16,522,979.02 is: 22,801,498.33
Step by Step Solution
- Step 1: Write the proportion equation
28,913,027.47 : 39,899,605.68 = 16,522,979.02 : x - Step 2: Convert to fraction form
28,913,027.47/39,899,605.68 = 16,522,979.02/x - Step 3: Cross multiply
28,913,027.47x = 39,899,605.68 × 16,522,979.02 - Step 4: Simplify right side
28,913,027.47x = 659,260,347,556,912.75 - Step 5: Solve for x
x = 659,260,347,556,912.75/28,913,027.47 - Step 6: Final answer
x = 22,801,498.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.