Finding the Fourth Proportional to 11,688,539.10, 16,130,205.80 and 6,531,900.63
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Solution
The fourth proportional to 11,688,539.10, 16,130,205.80 and 6,531,900.63 is: 9,014,035.08
Step by Step Solution
- Step 1: Write the proportion equation
11,688,539.10 : 16,130,205.80 = 6,531,900.63 : x - Step 2: Convert to fraction form
11,688,539.10/16,130,205.80 = 6,531,900.63/x - Step 3: Cross multiply
11,688,539.10x = 16,130,205.80 × 6,531,900.63 - Step 4: Simplify right side
11,688,539.10x = 105,360,901,427,049.66 - Step 5: Solve for x
x = 105,360,901,427,049.66/11,688,539.10 - Step 6: Final answer
x = 9,014,035.08
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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.