Finding the Fourth Proportional to 39,807,704.40, 54,928,707.06 and 22,403,011.62
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Solution
The fourth proportional to 39,807,704.40, 54,928,707.06 and 22,403,011.62 is: 30,912,821.55
Step by Step Solution
- Step 1: Write the proportion equation
39,807,704.40 : 54,928,707.06 = 22,403,011.62 : x - Step 2: Convert to fraction form
39,807,704.40/54,928,707.06 = 22,403,011.62/x - Step 3: Cross multiply
39,807,704.40x = 54,928,707.06 × 22,403,011.62 - Step 4: Simplify right side
39,807,704.40x = 1,230,568,462,536,756.25 - Step 5: Solve for x
x = 1,230,568,462,536,756.25/39,807,704.40 - Step 6: Final answer
x = 30,912,821.55
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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.