Finding the Fourth Proportional to 39,617,410.84, 59,434,668.42 and 12,323,184.28
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Solution
The fourth proportional to 39,617,410.84, 59,434,668.42 and 12,323,184.28 is: 18,487,436.61
Step by Step Solution
- Step 1: Write the proportion equation
39,617,410.84 : 59,434,668.42 = 12,323,184.28 : x - Step 2: Convert to fraction form
39,617,410.84/59,434,668.42 = 12,323,184.28/x - Step 3: Cross multiply
39,617,410.84x = 59,434,668.42 × 12,323,184.28 - Step 4: Simplify right side
39,617,410.84x = 732,424,371,560,356.38 - Step 5: Solve for x
x = 732,424,371,560,356.38/39,617,410.84 - Step 6: Final answer
x = 18,487,436.61
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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.