Finding the Fourth Proportional to 39,034,260.63, 53,867,598.62 and 21,630,896.55
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Solution
The fourth proportional to 39,034,260.63, 53,867,598.62 and 21,630,896.55 is: 29,850,813.98
Step by Step Solution
- Step 1: Write the proportion equation
39,034,260.63 : 53,867,598.62 = 21,630,896.55 : x - Step 2: Convert to fraction form
39,034,260.63/53,867,598.62 = 21,630,896.55/x - Step 3: Cross multiply
39,034,260.63x = 53,867,598.62 × 21,630,896.55 - Step 4: Simplify right side
39,034,260.63x = 1,165,204,453,037,988.25 - Step 5: Solve for x
x = 1,165,204,453,037,988.25/39,034,260.63 - Step 6: Final answer
x = 29,850,813.98
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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.