Finding the Fourth Proportional to 28,856,722.44, 39,822,276.84 and 15,804,012.24
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Solution
The fourth proportional to 28,856,722.44, 39,822,276.84 and 15,804,012.24 is: 21,809,536.82
Step by Step Solution
- Step 1: Write the proportion equation
28,856,722.44 : 39,822,276.84 = 15,804,012.24 : x - Step 2: Convert to fraction form
28,856,722.44/39,822,276.84 = 15,804,012.24/x - Step 3: Cross multiply
28,856,722.44x = 39,822,276.84 × 15,804,012.24 - Step 4: Simplify right side
28,856,722.44x = 629,351,750,604,028.62 - Step 5: Solve for x
x = 629,351,750,604,028.62/28,856,722.44 - Step 6: Final answer
x = 21,809,536.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.