Finding the Fourth Proportional to 11,688,538.10, 16,130,204.42 and 6,531,899.63
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Solution
The fourth proportional to 11,688,538.10, 16,130,204.42 and 6,531,899.63 is: 9,014,033.69
Step by Step Solution
- Step 1: Write the proportion equation
11,688,538.10 : 16,130,204.42 = 6,531,899.63 : x - Step 2: Convert to fraction form
11,688,538.10/16,130,204.42 = 6,531,899.63/x - Step 3: Cross multiply
11,688,538.10x = 16,130,204.42 × 6,531,899.63 - Step 4: Simplify right side
11,688,538.10x = 105,360,876,169,511.84 - Step 5: Solve for x
x = 105,360,876,169,511.84/11,688,538.10 - Step 6: Final answer
x = 9,014,033.69
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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.