Finding the Fourth Proportional to 10,365,556.74, 15,548,335.11 and 5,313,645.06
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Solution
The fourth proportional to 10,365,556.74, 15,548,335.11 and 5,313,645.06 is: 7,970,467.59
Step by Step Solution
- Step 1: Write the proportion equation
10,365,556.74 : 15,548,335.11 = 5,313,645.06 : x - Step 2: Convert to fraction form
10,365,556.74/15,548,335.11 = 5,313,645.06/x - Step 3: Cross multiply
10,365,556.74x = 15,548,335.11 × 5,313,645.06 - Step 4: Simplify right side
10,365,556.74x = 82,618,334,048,476.05 - Step 5: Solve for x
x = 82,618,334,048,476.05/10,365,556.74 - Step 6: Final answer
x = 7,970,467.59
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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.