Finding the Fourth Proportional to 7,415,511.60, 11,127,414.60 and 3,154,954.80
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Solution
The fourth proportional to 7,415,511.60, 11,127,414.60 and 3,154,954.80 is: 4,734,196.64
Step by Step Solution
- Step 1: Write the proportion equation
7,415,511.60 : 11,127,414.60 = 3,154,954.80 : x - Step 2: Convert to fraction form
7,415,511.60/11,127,414.60 = 3,154,954.80/x - Step 3: Cross multiply
7,415,511.60x = 11,127,414.60 × 3,154,954.80 - Step 4: Simplify right side
7,415,511.60x = 35,106,490,103,860.08 - Step 5: Solve for x
x = 35,106,490,103,860.08/7,415,511.60 - Step 6: Final answer
x = 4,734,196.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.