Finding the Fourth Proportional to 11,881,873.76, 16,396,561.46 and 6,725,124.58
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Solution
The fourth proportional to 11,881,873.76, 16,396,561.46 and 6,725,124.58 is: 9,280,431.75
Step by Step Solution
- Step 1: Write the proportion equation
11,881,873.76 : 16,396,561.46 = 6,725,124.58 : x - Step 2: Convert to fraction form
11,881,873.76/16,396,561.46 = 6,725,124.58/x - Step 3: Cross multiply
11,881,873.76x = 16,396,561.46 × 6,725,124.58 - Step 4: Simplify right side
11,881,873.76x = 110,268,918,502,126.69 - Step 5: Solve for x
x = 110,268,918,502,126.69/11,881,873.76 - Step 6: Final answer
x = 9,280,431.75
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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.