Finding the Fourth Proportional to 28,578,270.40, 39,437,103.36 and 16,354,864.96
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Solution
The fourth proportional to 28,578,270.40, 39,437,103.36 and 16,354,864.96 is: 22,569,192.99
Step by Step Solution
- Step 1: Write the proportion equation
28,578,270.40 : 39,437,103.36 = 16,354,864.96 : x - Step 2: Convert to fraction form
28,578,270.40/39,437,103.36 = 16,354,864.96/x - Step 3: Cross multiply
28,578,270.40x = 39,437,103.36 × 16,354,864.96 - Step 4: Simplify right side
28,578,270.40x = 644,988,499,866,362.25 - Step 5: Solve for x
x = 644,988,499,866,362.25/28,578,270.40 - Step 6: Final answer
x = 22,569,192.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.