Finding the Fourth Proportional to 27,126,812.58, 40,688,569.49 and 9,620,235.29
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Solution
The fourth proportional to 27,126,812.58, 40,688,569.49 and 9,620,235.29 is: 14,429,767.99
Step by Step Solution
- Step 1: Write the proportion equation
27,126,812.58 : 40,688,569.49 = 9,620,235.29 : x - Step 2: Convert to fraction form
27,126,812.58/40,688,569.49 = 9,620,235.29/x - Step 3: Cross multiply
27,126,812.58x = 40,688,569.49 × 9,620,235.29 - Step 4: Simplify right side
27,126,812.58x = 391,433,611,855,771.25 - Step 5: Solve for x
x = 391,433,611,855,771.25/27,126,812.58 - Step 6: Final answer
x = 14,429,767.99
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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.