Finding the Fourth Proportional to 11,312,661.08, 15,611,800.78 and 6,156,355.16
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Solution
The fourth proportional to 11,312,661.08, 15,611,800.78 and 6,156,355.16 is: 8,495,948.88
Step by Step Solution
- Step 1: Write the proportion equation
11,312,661.08 : 15,611,800.78 = 6,156,355.16 : x - Step 2: Convert to fraction form
11,312,661.08/15,611,800.78 = 6,156,355.16/x - Step 3: Cross multiply
11,312,661.08x = 15,611,800.78 × 6,156,355.16 - Step 4: Simplify right side
11,312,661.08x = 96,111,790,288,845.02 - Step 5: Solve for x
x = 96,111,790,288,845.02/11,312,661.08 - Step 6: Final answer
x = 8,495,948.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.