Finding the Fourth Proportional to 39,627,790.99, 54,686,747.70 and 22,223,762.54
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Solution
The fourth proportional to 39,627,790.99, 54,686,747.70 and 22,223,762.54 is: 30,669,014.46
Step by Step Solution
- Step 1: Write the proportion equation
39,627,790.99 : 54,686,747.70 = 22,223,762.54 : x - Step 2: Convert to fraction form
39,627,790.99/54,686,747.70 = 22,223,762.54/x - Step 3: Cross multiply
39,627,790.99x = 54,686,747.70 × 22,223,762.54 - Step 4: Simplify right side
39,627,790.99x = 1,215,345,294,901,332.75 - Step 5: Solve for x
x = 1,215,345,294,901,332.75/39,627,790.99 - Step 6: Final answer
x = 30,669,014.46
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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.