Finding the Fourth Proportional to 14,021,526.87, 19,352,935.58 and 8,222,176.95
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Solution
The fourth proportional to 14,021,526.87, 19,352,935.58 and 8,222,176.95 is: 11,348,497.37
Step by Step Solution
- Step 1: Write the proportion equation
14,021,526.87 : 19,352,935.58 = 8,222,176.95 : x - Step 2: Convert to fraction form
14,021,526.87/19,352,935.58 = 8,222,176.95/x - Step 3: Cross multiply
14,021,526.87x = 19,352,935.58 × 8,222,176.95 - Step 4: Simplify right side
14,021,526.87x = 159,123,260,799,600 - Step 5: Solve for x
x = 159,123,260,799,600/14,021,526.87 - Step 6: Final answer
x = 11,348,497.37
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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.