Finding the Fourth Proportional to 31,310,849.28, 43,209,284.96 and 17,559,518.08
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Solution
The fourth proportional to 31,310,849.28, 43,209,284.96 and 17,559,518.08 is: 24,232,310.46
Step by Step Solution
- Step 1: Write the proportion equation
31,310,849.28 : 43,209,284.96 = 17,559,518.08 : x - Step 2: Convert to fraction form
31,310,849.28/43,209,284.96 = 17,559,518.08/x - Step 3: Cross multiply
31,310,849.28x = 43,209,284.96 × 17,559,518.08 - Step 4: Simplify right side
31,310,849.28x = 758,734,220,478,992 - Step 5: Solve for x
x = 758,734,220,478,992/31,310,849.28 - Step 6: Final answer
x = 24,232,310.46
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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.