Finding the Fourth Proportional to 13,294,480.68, 18,361,516.86 and 8,936,000.10
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Solution
The fourth proportional to 13,294,480.68, 18,361,516.86 and 8,936,000.10 is: 12,341,852.27
Step by Step Solution
- Step 1: Write the proportion equation
13,294,480.68 : 18,361,516.86 = 8,936,000.10 : x - Step 2: Convert to fraction form
13,294,480.68/18,361,516.86 = 8,936,000.10/x - Step 3: Cross multiply
13,294,480.68x = 18,361,516.86 × 8,936,000.10 - Step 4: Simplify right side
13,294,480.68x = 164,078,516,497,111.69 - Step 5: Solve for x
x = 164,078,516,497,111.69/13,294,480.68 - Step 6: Final answer
x = 12,341,852.27
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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.