Finding the Fourth Proportional to 7,678,130.04, 11,519,347.50 and 3,360,556.26
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Solution
The fourth proportional to 7,678,130.04, 11,519,347.50 and 3,360,556.26 is: 5,041,776.47
Step by Step Solution
- Step 1: Write the proportion equation
7,678,130.04 : 11,519,347.50 = 3,360,556.26 : x - Step 2: Convert to fraction form
7,678,130.04/11,519,347.50 = 3,360,556.26/x - Step 3: Cross multiply
7,678,130.04x = 11,519,347.50 × 3,360,556.26 - Step 4: Simplify right side
7,678,130.04x = 38,711,415,352,240.34 - Step 5: Solve for x
x = 38,711,415,352,240.34/7,678,130.04 - Step 6: Final answer
x = 5,041,776.47
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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.