Finding the Fourth Proportional to 51,308,410.68, 70,804,731.42 and 27,786,756.96
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Solution
The fourth proportional to 51,308,410.68, 70,804,731.42 and 27,786,756.96 is: 38,345,250.56
Step by Step Solution
- Step 1: Write the proportion equation
51,308,410.68 : 70,804,731.42 = 27,786,756.96 : x - Step 2: Convert to fraction form
51,308,410.68/70,804,731.42 = 27,786,756.96/x - Step 3: Cross multiply
51,308,410.68x = 70,804,731.42 × 27,786,756.96 - Step 4: Simplify right side
51,308,410.68x = 1,967,433,863,585,615.75 - Step 5: Solve for x
x = 1,967,433,863,585,615.75/51,308,410.68 - Step 6: Final answer
x = 38,345,250.56
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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.