Finding the Fourth Proportional to 31,193,820.99, 46,772,721.14 and 9,622,630.80
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Solution
The fourth proportional to 31,193,820.99, 46,772,721.14 and 9,622,630.80 is: 14,428,390.39
Step by Step Solution
- Step 1: Write the proportion equation
31,193,820.99 : 46,772,721.14 = 9,622,630.80 : x - Step 2: Convert to fraction form
31,193,820.99/46,772,721.14 = 9,622,630.80/x - Step 3: Cross multiply
31,193,820.99x = 46,772,721.14 × 9,622,630.80 - Step 4: Simplify right side
31,193,820.99x = 450,076,626,993,462 - Step 5: Solve for x
x = 450,076,626,993,462/31,193,820.99 - Step 6: Final answer
x = 14,428,390.39
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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.