Finding the Fourth Proportional to 15,341,491.44, 21,170,931.81 and 8,371,937.97
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Solution
The fourth proportional to 15,341,491.44, 21,170,931.81 and 8,371,937.97 is: 11,553,096.29
Step by Step Solution
- Step 1: Write the proportion equation
15,341,491.44 : 21,170,931.81 = 8,371,937.97 : x - Step 2: Convert to fraction form
15,341,491.44/21,170,931.81 = 8,371,937.97/x - Step 3: Cross multiply
15,341,491.44x = 21,170,931.81 × 8,371,937.97 - Step 4: Simplify right side
15,341,491.44x = 177,241,727,880,419.81 - Step 5: Solve for x
x = 177,241,727,880,419.81/15,341,491.44 - Step 6: Final answer
x = 11,553,096.29
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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.