Finding the Fourth Proportional to 48,487,669.92, 72,729,733.36 and 14,408,130.04
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Solution
The fourth proportional to 48,487,669.92, 72,729,733.36 and 14,408,130.04 is: 21,611,668.65
Step by Step Solution
- Step 1: Write the proportion equation
48,487,669.92 : 72,729,733.36 = 14,408,130.04 : x - Step 2: Convert to fraction form
48,487,669.92/72,729,733.36 = 14,408,130.04/x - Step 3: Cross multiply
48,487,669.92x = 72,729,733.36 × 14,408,130.04 - Step 4: Simplify right side
48,487,669.92x = 1,047,899,456,025,406 - Step 5: Solve for x
x = 1,047,899,456,025,406/48,487,669.92 - Step 6: Final answer
x = 21,611,668.65
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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.