Finding the Fourth Proportional to 30,382,505.47, 41,927,970.68 and 16,632,748.99
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Solution
The fourth proportional to 30,382,505.47, 41,927,970.68 and 16,632,748.99 is: 22,953,255.54
Step by Step Solution
- Step 1: Write the proportion equation
30,382,505.47 : 41,927,970.68 = 16,632,748.99 : x - Step 2: Convert to fraction form
30,382,505.47/41,927,970.68 = 16,632,748.99/x - Step 3: Cross multiply
30,382,505.47x = 41,927,970.68 × 16,632,748.99 - Step 4: Simplify right side
30,382,505.47x = 697,377,411,812,461.62 - Step 5: Solve for x
x = 697,377,411,812,461.62/30,382,505.47 - Step 6: Final answer
x = 22,953,255.54
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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.