Finding the Fourth Proportional to 27,119,890.80, 37,425,721.20 and 14,730,226.53
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Solution
The fourth proportional to 27,119,890.80, 37,425,721.20 and 14,730,226.53 is: 20,327,860.29
Step by Step Solution
- Step 1: Write the proportion equation
27,119,890.80 : 37,425,721.20 = 14,730,226.53 : x - Step 2: Convert to fraction form
27,119,890.80/37,425,721.20 = 14,730,226.53/x - Step 3: Cross multiply
27,119,890.80x = 37,425,721.20 × 14,730,226.53 - Step 4: Simplify right side
27,119,890.80x = 551,289,351,324,623.44 - Step 5: Solve for x
x = 551,289,351,324,623.44/27,119,890.80 - Step 6: Final answer
x = 20,327,860.29
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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.