Finding the Fourth Proportional to 29,052,124.80, 43,466,212.80 and 18,974,428.80
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Solution
The fourth proportional to 29,052,124.80, 43,466,212.80 and 18,974,428.80 is: 28,388,510.85
Step by Step Solution
- Step 1: Write the proportion equation
29,052,124.80 : 43,466,212.80 = 18,974,428.80 : x - Step 2: Convert to fraction form
29,052,124.80/43,466,212.80 = 18,974,428.80/x - Step 3: Cross multiply
29,052,124.80x = 43,466,212.80 × 18,974,428.80 - Step 4: Simplify right side
29,052,124.80x = 824,746,559,979,248.62 - Step 5: Solve for x
x = 824,746,559,979,248.62/29,052,124.80 - Step 6: Final answer
x = 28,388,510.85
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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.