Finding the Fourth Proportional to 10,302,892.18, 15,454,478.54 and 3,823,463.88
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Solution
The fourth proportional to 10,302,892.18, 15,454,478.54 and 3,823,463.88 is: 5,735,247.88
Step by Step Solution
- Step 1: Write the proportion equation
10,302,892.18 : 15,454,478.54 = 3,823,463.88 : x - Step 2: Convert to fraction form
10,302,892.18/15,454,478.54 = 3,823,463.88/x - Step 3: Cross multiply
10,302,892.18x = 15,454,478.54 × 3,823,463.88 - Step 4: Simplify right side
10,302,892.18x = 59,089,640,481,925.13 - Step 5: Solve for x
x = 59,089,640,481,925.13/10,302,892.18 - Step 6: Final answer
x = 5,735,247.88
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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.