Finding the Fourth Proportional to 37,031,465.75, 51,103,950.18 and 21,350,179.49
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Solution
The fourth proportional to 37,031,465.75, 51,103,950.18 and 21,350,179.49 is: 29,463,551.79
Step by Step Solution
- Step 1: Write the proportion equation
37,031,465.75 : 51,103,950.18 = 21,350,179.49 : x - Step 2: Convert to fraction form
37,031,465.75/51,103,950.18 = 21,350,179.49/x - Step 3: Cross multiply
37,031,465.75x = 51,103,950.18 × 21,350,179.49 - Step 4: Simplify right side
37,031,465.75x = 1,091,078,508,991,017.75 - Step 5: Solve for x
x = 1,091,078,508,991,017.75/37,031,465.75 - Step 6: Final answer
x = 29,463,551.79
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1.5x scale
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.