Finding the Fourth Proportional to 28,939,436.25, 43,376,131.88 and 11,656,574.79
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Solution
The fourth proportional to 28,939,436.25, 43,376,131.88 and 11,656,574.79 is: 17,471,560.99
Step by Step Solution
- Step 1: Write the proportion equation
28,939,436.25 : 43,376,131.88 = 11,656,574.79 : x - Step 2: Convert to fraction form
28,939,436.25/43,376,131.88 = 11,656,574.79/x - Step 3: Cross multiply
28,939,436.25x = 43,376,131.88 × 11,656,574.79 - Step 4: Simplify right side
28,939,436.25x = 505,617,125,360,123.31 - Step 5: Solve for x
x = 505,617,125,360,123.31/28,939,436.25 - Step 6: Final answer
x = 17,471,560.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.