Finding the Fourth Proportional to 10,888,762.83, 16,331,900.08 and 2,911,208.91
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Solution
The fourth proportional to 10,888,762.83, 16,331,900.08 and 2,911,208.91 is: 4,366,480.73
Step by Step Solution
- Step 1: Write the proportion equation
10,888,762.83 : 16,331,900.08 = 2,911,208.91 : x - Step 2: Convert to fraction form
10,888,762.83/16,331,900.08 = 2,911,208.91/x - Step 3: Cross multiply
10,888,762.83x = 16,331,900.08 × 2,911,208.91 - Step 4: Simplify right side
10,888,762.83x = 47,545,573,030,125.72 - Step 5: Solve for x
x = 47,545,573,030,125.72/10,888,762.83 - Step 6: Final answer
x = 4,366,480.73
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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.