Finding the Fourth Proportional to 10,255,334.40, 15,378,153.84 and 3,064,357.44
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Solution
The fourth proportional to 10,255,334.40, 15,378,153.84 and 3,064,357.44 is: 4,595,087.62
Step by Step Solution
- Step 1: Write the proportion equation
10,255,334.40 : 15,378,153.84 = 3,064,357.44 : x - Step 2: Convert to fraction form
10,255,334.40/15,378,153.84 = 3,064,357.44/x - Step 3: Cross multiply
10,255,334.40x = 15,378,153.84 × 3,064,357.44 - Step 4: Simplify right side
10,255,334.40x = 47,124,160,133,068.57 - Step 5: Solve for x
x = 47,124,160,133,068.57/10,255,334.40 - Step 6: Final answer
x = 4,595,087.62
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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.