Finding the Fourth Proportional to 39,579,076.23, 59,302,951.05 and 28,007,169.99
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Solution
The fourth proportional to 39,579,076.23, 59,302,951.05 and 28,007,169.99 is: 41,964,289.95
Step by Step Solution
- Step 1: Write the proportion equation
39,579,076.23 : 59,302,951.05 = 28,007,169.99 : x - Step 2: Convert to fraction form
39,579,076.23/59,302,951.05 = 28,007,169.99/x - Step 3: Cross multiply
39,579,076.23x = 59,302,951.05 × 28,007,169.99 - Step 4: Simplify right side
39,579,076.23x = 1,660,907,830,965,998.75 - Step 5: Solve for x
x = 1,660,907,830,965,998.75/39,579,076.23 - Step 6: Final answer
x = 41,964,289.95
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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.