Finding the Fourth Proportional to 19,026,137.74, 28,539,261.97 and 8,093,510.63
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Solution
The fourth proportional to 19,026,137.74, 28,539,261.97 and 8,093,510.63 is: 12,140,289.50
Step by Step Solution
- Step 1: Write the proportion equation
19,026,137.74 : 28,539,261.97 = 8,093,510.63 : x - Step 2: Convert to fraction form
19,026,137.74/28,539,261.97 = 8,093,510.63/x - Step 3: Cross multiply
19,026,137.74x = 28,539,261.97 × 8,093,510.63 - Step 4: Simplify right side
19,026,137.74x = 230,982,820,231,175.25 - Step 5: Solve for x
x = 230,982,820,231,175.25/19,026,137.74 - Step 6: Final answer
x = 12,140,289.50
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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.