Finding the Fourth Proportional to 10,278,314.63, 15,411,495.97 and 3,889,059.74
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Solution
The fourth proportional to 10,278,314.63, 15,411,495.97 and 3,889,059.74 is: 5,831,328.45
Step by Step Solution
- Step 1: Write the proportion equation
10,278,314.63 : 15,411,495.97 = 3,889,059.74 : x - Step 2: Convert to fraction form
10,278,314.63/15,411,495.97 = 3,889,059.74/x - Step 3: Cross multiply
10,278,314.63x = 15,411,495.97 × 3,889,059.74 - Step 4: Simplify right side
10,278,314.63x = 59,936,228,473,820.24 - Step 5: Solve for x
x = 59,936,228,473,820.24/10,278,314.63 - Step 6: Final answer
x = 5,831,328.45
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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.