Finding the Fourth Proportional to 30,360,376.29, 45,528,036.12 and 11,661,857.99
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Solution
The fourth proportional to 30,360,376.29, 45,528,036.12 and 11,661,857.99 is: 17,487,974.67
Step by Step Solution
- Step 1: Write the proportion equation
30,360,376.29 : 45,528,036.12 = 11,661,857.99 : x - Step 2: Convert to fraction form
30,360,376.29/45,528,036.12 = 11,661,857.99/x - Step 3: Cross multiply
30,360,376.29x = 45,528,036.12 × 11,661,857.99 - Step 4: Simplify right side
30,360,376.29x = 530,941,491,738,120.50 - Step 5: Solve for x
x = 530,941,491,738,120.50/30,360,376.29 - Step 6: Final answer
x = 17,487,974.67
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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.