Finding the Fourth Proportional to 39,707,837.70, 55,477,598.70 and 39,707,837.70
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Solution
The fourth proportional to 39,707,837.70, 55,477,598.70 and 39,707,837.70 is: 55,477,598.70
Step by Step Solution
- Step 1: Write the proportion equation
39,707,837.70 : 55,477,598.70 = 39,707,837.70 : x - Step 2: Convert to fraction form
39,707,837.70/55,477,598.70 = 39,707,837.70/x - Step 3: Cross multiply
39,707,837.70x = 55,477,598.70 × 39,707,837.70 - Step 4: Simplify right side
39,707,837.70x = 2,202,895,485,165,331.25 - Step 5: Solve for x
x = 2,202,895,485,165,331.25/39,707,837.70 - Step 6: Final answer
x = 55,477,598.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.