Finding the Fourth Proportional to 21,560,737.76, 29,767,248.49 and 13,724,673.02
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Solution
The fourth proportional to 21,560,737.76, 29,767,248.49 and 13,724,673.02 is: 18,948,597.99
Step by Step Solution
- Step 1: Write the proportion equation
21,560,737.76 : 29,767,248.49 = 13,724,673.02 : x - Step 2: Convert to fraction form
21,560,737.76/29,767,248.49 = 13,724,673.02/x - Step 3: Cross multiply
21,560,737.76x = 29,767,248.49 × 13,724,673.02 - Step 4: Simplify right side
21,560,737.76x = 408,545,752,230,338.69 - Step 5: Solve for x
x = 408,545,752,230,338.69/21,560,737.76 - Step 6: Final answer
x = 18,948,597.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.