Finding the Fourth Proportional to 10,878,478.34, 16,312,102.08 and 3,201,125.46
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Solution
The fourth proportional to 10,878,478.34, 16,312,102.08 and 3,201,125.46 is: 4,800,035.78
Step by Step Solution
- Step 1: Write the proportion equation
10,878,478.34 : 16,312,102.08 = 3,201,125.46 : x - Step 2: Convert to fraction form
10,878,478.34/16,312,102.08 = 3,201,125.46/x - Step 3: Cross multiply
10,878,478.34x = 16,312,102.08 × 3,201,125.46 - Step 4: Simplify right side
10,878,478.34x = 52,217,085,274,406.95 - Step 5: Solve for x
x = 52,217,085,274,406.95/10,878,478.34 - Step 6: Final answer
x = 4,800,035.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.