Finding the Fourth Proportional to 10,365,547.36, 15,548,321.04 and 5,313,635.68
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Solution
The fourth proportional to 10,365,547.36, 15,548,321.04 and 5,313,635.68 is: 7,970,453.52
Step by Step Solution
- Step 1: Write the proportion equation
10,365,547.36 : 15,548,321.04 = 5,313,635.68 : x - Step 2: Convert to fraction form
10,365,547.36/15,548,321.04 = 5,313,635.68/x - Step 3: Cross multiply
10,365,547.36x = 15,548,321.04 × 5,313,635.68 - Step 4: Simplify right side
10,365,547.36x = 82,618,113,442,238.70 - Step 5: Solve for x
x = 82,618,113,442,238.70/10,365,547.36 - Step 6: Final answer
x = 7,970,453.52
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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.